AIT Tahipo LLC, 20100 S. Western Avenue, Ste 109, Torrance, CA (2026)

08/29/2026

FTZ Vs BONDED WAREHOUSE- THE COST DIFFERENCE -

08/29/2026

CUSTOMS MINUTE — THE HIDDEN SAVINGS IN DUTY DRAWBACK

08/28/2026

HOW TO ANSWER A CBP FORM 28

08/27/2026

WHAT IS TYPE 86

08/26/2026

WHY THE WRONG HTS CODE IS COSTING YOU

08/25/2026

WHAT IS SECTION 321 DE MINIMIS

08/25/2026

Clearing FDA Medical Device Import Holds at the Port of Los Angeles

When the Food and Drug Administration places an administrative hold on a medical device shipment at the Port of Los Angeles (POLA), demurrage and detention fees begin accruing immediately. Marine terminals at POLA and neighboring Long Beach enforce strict free-time windows, leaving importers very little time to resolve document mismatches or physical examination requests before container storage costs escalate into thousands of dollars.

Resolving these holds requires a systematic approach: identifying the specific mechanism stalling your entry, matching your technical documentation to FDA records, and submitting targeted data packets directly through the proper electronic channels.

Understanding FDA Hold Classifications at POLA

Medical device entries transmitted through the Automated Commercial Environment (ACE) encounter two primary types of regulatory holds:

1. FDA Examination or Review Hold: The status reflects that "FDA MAY PROCEED" has been withheld. This typically indicates an automated data flag or a manual desk review conducted by compliance officers at the FDA's Los Angeles District import operations office.
2. Notice of FDA Action (Detention and Hearing): This is a formal administrative action issued under Section 801(a) of the Federal Food, Drug, and Cosmetic Act (FD&C Act). The notice specifies that the device appears to be adulterated, misbranded, or manufactured in an unregistered facility, triggering a strict response window (typically 10 to 20 business days) before FDA issues a Notice of Refusal of Admission.

Audit Affirmation of Compliance (AOC) Codes

The vast majority of desk-review holds at POLA stem from inaccurate or incomplete Affirmation of Compliance (AOC) codes submitted by customs brokers during initial entry filing. An entry flag occurs whenever ACE transmission data does not match records in the FDA Unified Registration and Listing System (FURLS).

Importers must cross-reference their entry paperwork against four critical identifiers:
• Premarket Submission Number (PMN): Verify that the 510(k), PMA, or De Novo clearance number matches the cleared indications for the device. If the device is 510(k)-exempt, confirm that the broker transmitted the correct exempt product code rather than leaving the field blank.
• Device Listing Number (LST): Ensure the 7-digit listing number corresponds directly to the active commercial distribution record in FURLS.
• Foreign Manufacturer Registration (DEV): Check that the foreign establishment's registration number (FEI) is active and that annual registration user fees (MDUFA) are fully paid for the current fiscal year.
• Device Initial Importer (DII): Confirm that the U.S. entity listed as the importer of record on CBP Form 7501 holds an active Initial Importer registration with the FDA.

When an AOC error is identified, your customs broker must submit an electronic entry correction in ACE or upload revised commercial invoices and device specifications directly via FDA's Import Prior Notice and Entry Review portal (ITACS).

Managing Physical Examinations and Wharf Inspections

If the FDA issues a physical exam hold, the container cannot move into domestic commerce until FDA consumer safety officers complete a physical check. At POLA, cargo may be inspected directly at the marine terminal or transferred under customs bond to a Centralized Examination Station (CES) like Price Transfer or FCL Logistics.

Physical examinations focus on device labeling compliance under 21 CFR Part 801 and Unique Device Identification (UDI) requirements under 21 CFR Part 830:
• Labeling Integrity: Outer packaging, unit cartons, and package inserts must display the manufacturer's name, place of business, adequate directions for use, and required prescription statements (e.g., "Rx only" if applicable).
• UDI Rules: Devices must bear a proper UDI label in both human-readable plain text and automatic identification and data capture (AIDC) format, matched against records in the Global Unique Device Identification Database (GUDID).

If labeling defects are discovered during an inspection, importers can prevent outright refusal by submitting Form FDA-766 (Application for Authorization to Relabel and to Perform Other Action). This formally requests authorization to bring the non-compliant goods into legal compliance under FDA supervision at a designated bonded warehouse.

Assembling a Detention Rebuttal Package

Receiving a formal Notice of FDA Action requires a structured legal and technical response submitted directly to the assigned compliance officer before the hearing date expires.

Your response submission should contain:
• High-resolution photographs of production labels, showing the exact placement of UDI identifiers, lot numbers, and distributor/manufacturer markings.
• Copy of the FDA 510(k) clearance letter or PMA approval order tying the trade name directly to the specific model numbers in the container.
• Device Master Record (DMR) excerpts establishing manufacturing specifications and quality system compliance (21 CFR Part 820).
• Proof of valid foreign site registration and active listing status pulled directly from the public FDA database.

Once the compliance officer reviews and accepts the evidence, an updated Notice of FDA Action showing "MAY PROCEED" will be issued. This release automatically updates CBP systems, lifting the customs hold and allowing final drayage to proceed.

FAQ

What is the difference between a CBP hold and an FDA hold on medical devices?
A CBP hold relates to tariff classification, customs valuation, intellectual property, or general security checks. An FDA hold is a Partner Government Agency (PGA) action based strictly on regulatory compliance under the FD&C Act, such as registration, listing, labeling, or premarket clearance.

Can I move my container out of the Port of Los Angeles while under an FDA review hold?
Importers may request permission to move containers under a CBP conditional release bond to an off-port bonded warehouse or secure facility within the port limits while awaiting FDA admissibility decisions, preventing severe terminal demurrage charges.

What happens if an FDA medical device hold is ignored?
If you fail to respond to a Notice of FDA Action before the specified deadline, the FDA will issue a Notice of Refusal of Admission. Once refused, the merchandise must be exported or destroyed under CBP and FDA supervision within 90 days.

How long does the Los Angeles FDA District office take to review submitted entry documentation?
Electronic documents submitted through ITACS are typically processed within 2 to 5 business days, though complex inquiries involving laboratory testing, physical wharf exams, or formal detentions may take 1 to 3 weeks depending on port volume.

Can a foreign manufacturer contact the FDA directly to resolve an import hold?
While foreign manufacturers can provide technical documentation, communications regarding import holds are generally coordinated through the U.S. Designated Agent, the Initial Importer of record, or the licensed customs broker managing the ACE entry.

Book a Free Consultation Call if your medical device shipment is held at the Port of Los Angeles. We audit your ACE entry data, correct AOC mismatches, draft formal detention rebuttals, and secure your FDA release before port storage costs escalate

08/25/2026

Running an Internal Tariff Audit to Find and Fix Incorrect HS Classifications

Harmonized Tariff Schedule (HTS) misclassifications are among the most persistent sources of customs exposure for importers. Relying entirely on supplier invoices or customs broker defaults often leads to systematic classification drift over time. A single inaccurate 10-digit HTS code assigned to a high-volume product line can trigger hundreds of thousands of dollars in unliquidated duty liabilities, improper trade remedy assessments, or massive penalty exposure under 19 U.S.C. 1592.

Executing a structured internal tariff audit allows trade compliance teams to identify misclassified parts, correct live entry summaries before liquidation, and remediate past filings through administrative channels before U.S. Customs and Border Protection (CBP) initiates a formal inquiry.

Step 1: Extract and Scope Your ACE Entry Data

An effective audit begins with raw data rather than sample invoices. Importers must pull comprehensive entry summary reports directly from the Automated Commercial Environment (ACE) portal. Relying solely on internal enterprise resource planning (ERP) records misses adjustments, clerical overrides, or secondary tariff codes appended at the port of entry.

Run an ACE Entry Summary Report (ES-701 or equivalent) covering a trailing 12 to 36-month period. Structure your audit dataset around these primary fields:

• Entry Number and Entry Type (e.g., 01 Consumption, 06 FTZ, 11 Informal)

• Entry Summary Date, Import Date, and Liquidation Date

• Manufacturer ID (MID) and Country of Origin

• 10-digit HTSUS Number and Secondary Chapter 98/99 Numbers

• Entered Value, Duty Rate Paid, and Specific Tariff Amounts
• Product Part Numbers and Commercial Descriptions

Sort the data by entered value and duty payout to isolate high-exposure tariff codes. Pay specific attention to entries flagged with 0% duty rates, broad "basket" categories (such as HTS subheadings ending in "Other" or .90), and lines subject to Section 301, Section 232, or Antidumping and Countervailing Duties (AD/CVD).

Step 2: Technical Product Review and GRI Analysis

Once you isolate your active HTS lines, pull the underlying engineering and commercial specifications for each product. A valid classification cannot be determined from a commercial invoice description alone; it requires technical verification against the General Rules of Interpretation (GRIs).

Collect technical data sheets, material composition breakdowns (Bill of Materials), product schematics, and marketing literature. Evaluate the merchandise against the GRIs sequentially:

GRI 1 requires classification according to the terms of the headings and relative section or chapter notes. If a product is explicitly named in a heading (such as electric motors under 8501), it must be classified there regardless of its intended end use.

GRI 3 governs composite goods, mixtures, or retail sets consisting of different materials. Determine whether the classification turns on GRI 3(a) (the most specific description) or GRI 3(b) (the component that imparts the essential character). Document the specific engineering metrics (such as weight, surface area, volume, or relative component value) used to justify essential character determinations.

GRI 6 governs classification at the subheading levels. Ensure the logic applied at the 4-digit heading level carries systematically through the 6-digit, 8-digit, and 10-digit statistical breakouts.

Cross-reference your determinations against the Customs Rulings Online Search System (CROSS). Locate published HQ and NY administrative ruling letters on identical or substantially similar merchandise to substantiate your position. If no direct ruling exists, document a clear legal justification memo for the file.

Step 3: Classify Exposure Across Active vs. Liquidated Entries

When you discover an incorrect HS classification, the legal and financial remediation paths split depending on whether the entries have liquidated:

Unliquidated Entries:
If an entry summary is unliquidated and more than 15 calendar days remain before scheduled liquidation (standard liquidation occurs 314 days after entry), file a Post Summary Correction (PSC) in ACE. The PSC allows you to transmit the corrected 10-digit HTS code, adjust duty calculations, pay any owed duty differentials, and reset the entry record seamlessly.

Liquidated Entries Within 180 Days:
If CBP misclassified an entry or you overpaid duties due to a clerical error on an entry that liquidated within the past 180 days, you can file a formal protest under 19 U.S.C. 1514 through the ACE Protest Module. Liquidated entries beyond 180 days are final and legally binding under the finality of liquidation rule, unless duty underpayments require disclosure.

Past Duty Underpayments and Prior Disclosures:
If the audit reveals systematic underclassification on liquidated entries that resulted in underpaid duties, Section 301 avoidance, or unpaid AD/CVD duties, filing a standard correction is impossible. In this scenario, the importer must evaluate submitting a formal Prior Disclosure under 19 U.S.C. 1592(c)(4).

A valid Prior Disclosure notifies CBP of the violation, presents a complete statement of facts, recalculates the total underpaid duties across all affected entries for the statutory five-year period, and tenders the owed revenue. Filing before CBP commences a formal investigation protects the company from severe civil monetary penalties, capping exposure to statutory interest rather than multiples of the unpaid duty value.

Step 4: Institutionalize an Item Master Governance Framework

An internal audit is only as effective as the controls put in place to prevent repeat misclassifications. Update your internal ERP and trade database to lock down classification fields:
• Standardize your Product Item Master so that every SKU maps strictly to a vetted 10-digit HTS code backed by an internal classification memo.
• Establish clear change-management protocols preventing procurement or warehouse staff from assigning tariff numbers without compliance sign-off.
• Transmit updated classification matrices to your customs brokers with instructions to reject manual line overrides at the port.
• Schedule quarterly ACE audits to catch new SKUs and ensure declared tariff codes mirror current product iterations.

FAQ

How often should an importer perform an internal tariff audit?
High-volume importers should run quarterly entry data audits on top revenue items and conduct a full-scale classification review across their active SKU catalog annually or whenever major tariff schedule revisions occur.

What is the risk of using "basket" provisions (.90 / Other) on import entries?
CBP import specialists scrutinize basket provisions heavily. Overusing broad residual classifications signals weak internal controls and frequently triggers CBP Form 28 Requests for Information to verify why specific headings were bypassed.

Can a customs broker be held legally responsible for misclassifying my goods?
No. Under the Customs Modernization Act, the legal burden of "reasonable care" rests squarely on the Importer of Record. While brokers assist with entry filing, the importer remains liable for duty underpayments, interest, and regulatory penalties resulting from inaccurate data.

What happens if an internal audit reveals duty overpayments on liquidated entries past 180 days?
Under 19 U.S.C. 1514, liquidations become final and unalterable after 180 days. Overpaid duties on entries that liquidated past that window cannot be recovered through administrative protests or PSCs.

Should we apply for a CBP Binding Ruling if a classification remains ambiguous?
If technical analysis and existing CROSS rulings leave significant ambiguity between two tariff headings carrying different duty rates, submitting an eRulings request under 19 CFR Part 177 provides an official, binding determination that eliminates future penalty exposure for that product.

Book a Free Consultation Call to audit your HTS classifications and review your ACE entry data. We identify tariff errors, calculate duty adjustments, prepare Post Summary Corrections, and draft compliant Prior Disclosures to protect your business from customs penalties.

08/25/2026

The Exact Timeline and Evidence Required to File a Successful CBP Protest

When U.S. Customs and Border Protection issues an adverse decision on an import entry, filing an administrative protest under 19 U.S.C. 1514 is the primary legal mechanism to contest the determination and recover excess duties. Whether challenging an unexpected rate advance, an erroneous Harmonized Tariff Schedule (HTS) reclassification, an origin determination, or a denied duty drawback claim, strict statutory deadlines govern the process.

Missing a filing window by a single day renders an entry's liquidation final and unalterable. Securing a favorable review requires mastering the chronological milestones under 19 CFR Part 174 and compiling an evidentiary package that withstands scrutiny from CBP Centers of Excellence and Expertise (CEEs).

The Statutory Timeline: Critical Milestones and Clocks

The protest lifecycle operates on non-negotiable statutory timelines:
• Standard Entry Liquidation Clock (Day 0 to 314): Under 19 U.S.C. 1504, CBP generally liquidates consumption entries within 314 calendar days from the date of entry unless liquidation is formally extended or suspended.
• The 180-Day Filing Window: Under 19 U.S.C. 1514(c)(3), an importer, customs broker, or trade attorney has exactly 180 calendar days to file a protest. This clock begins on the official date of liquidation (as posted on the CBP public bulletin board in ACE) or the date of the specific adverse administrative decision (such as a notice of exclusion or demand for redelivery). There are no extensions permitted for this deadline.
• The 180-Day Amendment Window: A filer may amend an existing, timely filed protest to add new claims, legal arguments, or additional entry summaries, provided the amendment is submitted within the original 180-day window from the liquidation of those entries.
• The 2-Year Agency Review Window: Under 19 CFR 174.21, the CEE Center Director has up to two years from the date of filing to review and either allow or deny the protest in whole or in part (with the exception of merchandise exclusion protests, which carry a 30-day mandate).

• Accelerated Disposition (30 Days): If CBP has not acted on a protest, the filer may submit a formal request for Accelerated Disposition under 19 CFR 174.22. If CBP fails to act within 30 days following the mailing or transmission of that request, the protest is deemed denied by operation of law, immediately clearing the path for judicial appeal.
• The 180-Day Court of International Trade (CIT) Window: If CBP denies a protest in whole or in part, the importer has exactly 180 calendar days from the date of mailing of the denial notice to file a summons and complaint with the U.S. Court of International Trade under 28 U.S.C. 2636(a).

Essential Evidence Required for a Successful Protest Package

An administrative protest is won or lost on documentation. Filing a generic objection or simply asserting that CBP picked the wrong tariff code will result in a summary denial. The submission transmitted through the ACE Protest Module (or on CBP Form 19) must present specific categories of evidence tailored to the legal issue.

1. Entry Summary and Liquidation Records:
Include copies of CBP Form 7501 (Entry Summary), commercial invoices, packing lists, and bills of lading. If CBP issued an initial inquiry or warning, attach CBP Form 28 (Request for Information) and CBP Form 29 (Notice of Action) along with the official liquidation bulletin extract to establish the timeline.
2. Technical Specifications and GRI Justifications:
For classification disputes, substantiate your analysis using the General Rules of Interpretation (GRIs). Provide engineering drawings, component breakdowns, material safety data sheets, and manufacturing flowcharts. Include marketing collateral and user manuals establishing the commercial identity and principal use of the product.
3. Binding Rulings and Judicial Precedent:
Cite relevant administrative rulings published in the Customs Rulings Online Search System (CROSS). If citing prior court decisions from the CIT or the Court of Appeals for the Federal Circuit (CAFC), articulate exactly how your merchandise shares the precise factual and legal characteristics established in that case law.
4. Valuation and Transaction Records:
For valuation disputes involving assists, royalties, or transfer pricing, provide proof of payment (wire receipts and bank records), underlying purchase contracts, production cost ledgers, and audited financial reconciliations substantiating transaction value under 19 U.S.C. 1401a
5. Certificates of Origin and Preference Documentation:
For protests challenging the denial of free trade agreements (such as USMCA) or Generalized System of Preferences (GSP), supply signed producer certifications, regional value content calculations, and complete supply chain tracing documentation showing direct shipment.

Application for Further Review (AFR)

When an issue involves complex legal questions or inconsistent enforcement across ports, filers should submit an Application for Further Review (AFR) under 19 CFR 174.24 simultaneously with the protest.

To qualify for an AFR, you must demonstrate that the decision contradicts prior CBP rulings, involves a novel question of law that has not been ruled on by CBP Headquarters or the courts, or represents conflicting treatment between different ports of entry. Securing an AFR bypasses initial port-level review and escalates the legal determination directly to CBP Headquarters (Regulations and Rulings, Office of Trade).

FAQ

Can I file a protest before an entry liquidates?
No. Protests filed prior to the actual date of liquidation are legally premature and will be dismissed by CBP. If an entry is still unliquidated and within the allowable timeframe, the proper remedy is to submit a Post Summary Correction (PSC) in ACE.

What is the difference between a CBP Form 19 and an ACE electronic protest?
CBP Form 19 is the traditional paper protest form, whereas electronic protest filing occurs through the ACE Protest Module. Filing electronically in ACE provides immediate confirmation of filing, tracks the 180-day clock automatically, and speeds up distribution to the handling Center of Excellence.

Can multiple entries be combined into a single protest?
Yes. Multiple entries may be bundled into a single protest provided they involve the same importer, the same legal or factual issue, and every individual entry falls within its respective 180-day window from liquidation.

What happens if an importer overpays duties but fails to file a protest within 180 days?
Under 19 U.S.C. 1514(a), once the 180-day window expires without a protest filing, the liquidation becomes final and conclusive against all parties. CBP cannot administratively refund overpaid duties or adjust the entry after that date.

Do I have to pay outstanding supplemental duty bills before filing a protest?
Under administrative regulations, you may file a protest against a rate advance before paying the supplemental duty bill. However, to escalate a denied protest to the U.S. Court of International Trade under 28 U.S.C. 2637(a), all outstanding duties, taxes, and fees must be paid in full prior to commencing litigation.

Book a Free Consultation Call to evaluate your adverse CBP liquidation decisions. We verify your 180-day protest windows, assemble your technical evidence, draft formal Applications for Further Review, and file via ACE to recover your overpaid duties.

AIT Tahipo LLC

08/29/2026

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