--- title: ExportDocsHub field notes description: Field notes on US export documentation and export compliance. canonical: https://exportdocshub.com/blog last-updated: 2026-09-12 --- # ExportDocsHub field notes > EEI and AES filing, ITN numbers, NOEEI exemption codes, Schedule B and HS > classification, export licence determination, Incoterms, and the export > document set. Append `.md` to any post URL for its markdown twin. 16 published posts, newest first. - [Every number on a US export declaration, decoded](https://exportdocshub.com/blog/export-declaration-numbers): Every number on a US export declaration in one table: the ITN, shipment reference number, EIN, export information code, Schedule B, ECCN, and the license codes. (2026-09-09, markdown: https://exportdocshub.com/blog/export-declaration-numbers.md) - [AES fatal errors: what each response code means and how to fix it](https://exportdocshub.com/blog/aes-fatal-errors-response-codes): Your EEI came back rejected in ACE AESDirect. Here is what the five response types mean, what each fatal error code is telling you, and how to correct and retransmit. (2026-09-02, markdown: https://exportdocshub.com/blog/aes-fatal-errors-response-codes.md) - [Does a license exception mean you skip AES? Usually not](https://exportdocshub.com/blog/ear-license-exception-aes-filing): An EAR license exception is not a no declaration required rule. It does not lift the AES filing threshold, and record keeping applies either way. (2026-09-02, markdown: https://exportdocshub.com/blog/ear-license-exception-aes-filing.md) - [What is an ITN number? The 15 characters that prove your export was declared](https://exportdocshub.com/blog/what-is-an-itn-number): What the Internal Transaction Number is, how AES assigns it, how to get one free in AESDirect, where the 15 characters go, and how to find a lost one. (2026-09-09, markdown: https://exportdocshub.com/blog/what-is-an-itn-number.md) - [Do I need an export license? The question that cancels every AES exemption](https://exportdocshub.com/blog/do-i-need-an-export-license): How a small US exporter determines whether an export license is required: ECCN vs EAR99, the Commerce Control List Order of Review, the Country Chart, and why a required license removes every value-based EEI exemption you were counting on. (2026-08-05, markdown: https://exportdocshub.com/blog/do-i-need-an-export-license.md) - [Schedule B number vs HS code: which one you need, and why $2,500 is per code](https://exportdocshub.com/blog/schedule-b-number-vs-hs-code): The difference between an HS code, a Schedule B number, and an HTS code, how to find your Schedule B number, and the mechanic small exporters get wrong: the $2,500 EEI threshold applies per Schedule B number, not per shipment. (2026-07-28, markdown: https://exportdocshub.com/blog/schedule-b-number-vs-hs-code.md) - [NOEEI exemption codes: the complete list for small US exporters](https://exportdocshub.com/blog/noeei-exemption-codes): Every AES exemption legend that matters to a small exporter: NOEEI 30.36, 30.37(a), and the rest of 15 CFR 30.37, with what each covers, when it fails, and exactly where to write it. (2026-07-21, markdown: https://exportdocshub.com/blog/noeei-exemption-codes.md) - [USMCA certification of origin: the 9 data elements and how to fill it out](https://exportdocshub.com/blog/usmca-certification-of-origin): There is no official USMCA form. Any format works if it carries the 9 required data elements from Annex 5-A. Here is each element in plain English, with the origin criterion field that trips exporters up. (2026-07-14, markdown: https://exportdocshub.com/blog/usmca-certification-of-origin.md) - [Do I need to file EEI in AES? A decision guide for small US exporters](https://exportdocshub.com/blog/do-i-need-to-file-eei-in-aes): A plain decision tree for when EEI filing is required, the exemptions you can actually use, the legend you must write when you do not file, and how to file it yourself for free. (2026-09-02, markdown: https://exportdocshub.com/blog/do-i-need-to-file-eei-in-aes.md) - [How to fill out a shipper's letter of instruction (SLI), step by step](https://exportdocshub.com/blog/shippers-letter-of-instruction): What a shipper's letter of instruction is, every field explained, and how it authorizes your forwarder to file EEI without putting the fines on you. (2026-06-23, markdown: https://exportdocshub.com/blog/shippers-letter-of-instruction.md) - [Export packing list: what it is and how it differs from the commercial invoice](https://exportdocshub.com/blog/export-packing-list): What an export packing list is, the fields that belong on it, and why it must never disagree with your commercial invoice. (2026-06-16, markdown: https://exportdocshub.com/blog/export-packing-list.md) - [What is an HS code? How to find yours](https://exportdocshub.com/blog/what-is-an-hs-code): How the harmonized system works, how to classify your product correctly, and what happens when the code is wrong. (2026-06-12, markdown: https://exportdocshub.com/blog/what-is-an-hs-code.md) - [Incoterms 2020 explained for small exporters](https://exportdocshub.com/blog/incoterms-2020-explained): FOB, CIF, EXW, DDP: what each Incoterm makes you responsible for and how to pick the right one for your shipment. (2026-06-12, markdown: https://exportdocshub.com/blog/incoterms-2020-explained.md) - [How to fill out a certificate of origin, step by step](https://exportdocshub.com/blog/how-to-fill-out-a-certificate-of-origin): Every field on the certificate of origin explained, who can issue it, and the mistakes that get shipments held at customs. (2026-06-12, markdown: https://exportdocshub.com/blog/how-to-fill-out-a-certificate-of-origin.md) - [Export documents checklist: what every small exporter needs](https://exportdocshub.com/blog/export-documents-checklist): The 9 documents that move an export shipment, which ones you actually need, and a checklist to run before every booking. (2026-06-12, markdown: https://exportdocshub.com/blog/export-documents-checklist.md) - [Commercial invoice vs proforma invoice: the difference](https://exportdocshub.com/blog/commercial-invoice-vs-proforma-invoice): When to send a proforma, when the commercial invoice takes over, and the fields customs actually checks on each. (2026-06-12, markdown: https://exportdocshub.com/blog/commercial-invoice-vs-proforma-invoice.md) ## Related - [Section index](https://exportdocshub.com/blog/llms.txt) - [Full site index](https://exportdocshub.com/llms.txt) - [RSS](https://exportdocshub.com/feed.xml)