For licensed customs brokers and trade lawyers

Every answer, proved.

The cited, living file for every US import.
Ready for your signature.

Try it on a closed matter See a real file

The Custom House, 1756

Product file · CBP ruling N366033 Printed paper cup, 4 oz From China · law of 20 October 2026
Reading
  1. Classification4823.69.0020CBP ruling HQ H287719 · ¶ 29
  2. OriginChina19 CFR 134.1(b)
  3. AD/CVDNo order reaches itFederal Register 2026-01604 · ¶ 61
  4. DutyFree + 37.5%HTSUS 2026 Rev. 21 · p. 3573
  5. Admissibility4 requirementsCBP ruling N022942 · ¶ 17
  6. Proof83 documents, 12 CBP rulingsEvery quote checked
Open facts · 3 questions for the clientReady for your review
Internal blind testOn CBP rulings the AI had never seen
92.6%

of all answers right.

100% on origin and on proof.

Exact to the ten-digit line.

Ahead of every published result we know of.

Landwaiter86%
Best published system, given answers from the ruling267.0%
Best published system on CBP products250.8%
Best published AI agent146.8%

Every fact quoted.

Each value points to its source, word for word.

CBP ruling HQ H287719paragraph 29

EN 48.23 states, in relevant part, that this heading covers: (4) Trays, dishes, plates, cups and the like, of paper or paperboard.

Verified¶ 29

From a real file: a printed paper cup, CBP ruling N366033. Not advice for any shipment.

Every dollar computed.

Each layer of duty, with its legal source.

Duty · printed paper cup · ChinaIllustration · $20,000 by sea · law of 20 October 2026
LineLayerSourceRateAmount
  1. ValueTransaction value19 U.S.C. 1401a(b)$20,000.00
  2. 4823.69.0020General rateHTSUS 2026 Rev. 21Free$0.00
  3. 9903.88.03Section 301, list 3HTSUS Rev. 21 · p. 357325%$5,000.00
  4. 9903.05.31Section 301, forced laborHTSUS Rev. 21 · ch. 9912.5%$2,500.00
  5. MPFProcessing fee19 CFR 24.230.3464%$69.28
  6. HMFHarbor fee19 CFR 24.240.125%$25.00
Due at entry$7,594.28

Computed exactly, never estimated.

The law moved overnight.
Your files already know.

Only what changed: the file, the new duty, the words that did it.

The law, this morningRead 0

Your filesFriday 24 July 2026

No change yetWatching 4 files

  • Steel fencingChina
    Current
  • Printed paper cupChina
    Current

    +12.5% duty from 24 July

    Federal Register 2026-15181… on or after 12:01 a.m. eastern time on July 24, 2026
    Due at entry, on $20,000$5,094.28$7,594.28

    Version 2 is ready: see what changed

  • Dining chairsMalaysia
    Current
  • Server racksTaiwan
    Current

A real change, replayed: the Section 301 duties in force from 24 July 2026. The other notices are illustrations.

The name

Named for the officer who met the goods on the quay, and took an account.

Every product examined. Every value proved.

Try it on a matter you’ve closed.

Grade our file against your own work. You stay the signer.

Ruling requests · Protests · Counsel-led Commerce matters · Past cases

Please send no client records here (19 CFR 111.24). We use your details only to answer you.