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Shippers Letter of Instruction

Draft Compliant SLIs in Minutes, Not Hours

10 minutes with CaseMark

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Shippers Letter of Instruction

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Workflow

Shippers Letter of Instruction

Overview

CaseMark's Shipper's Letter of Instruction skill automatically drafts compliance-ready SLIs that authorize freight forwarders, document export control classifications, and capture EEI/AES filing intent. By extracting data from your commercial invoices, packing lists, and classification documents, it produces a structured nine-section SLI that aligns export data across all parties and government filings.

Drafting a Shipper's Letter of Instruction manually requires gathering data from multiple sources—commercial invoices, packing lists, export classification records, and restricted party screening results—and consolidating it into a single compliant document. Errors or omissions in party details, HS codes, or export control classifications can delay shipments and trigger regulatory penalties.

CaseMark's AI reads your source documents and automatically populates all nine sections of a compliance-ready SLI, from party tables and commodity schedules to export control classifications and EEI/AES filing instructions. The result is a structured, cross-referenced document ready for review and signature, reducing drafting time from hours to minutes.

How it works

  1. 1. Upload your commercial invoices, packing lists, and export classification documents

  2. 2. AI extracts party details, commodity data, and export control classifications

  3. 3. Review the structured SLI with all nine compliance sections populated

  4. 4. Export the finalized Shipper's Letter of Instruction in DOCX or PDF

What you get

  • Header & Document References

  • Party Table (USPPI, Consignee, Forwarder, Intermediate Consignee)

  • Shipment Details (Incoterms, Routing, Carrier, Insurance)

  • Commodity Table (Descriptions, HS Codes, Quantities, Values)

  • Export Control Classification (ECCN, ITAR, EAR99, Licenses)

  • EEI/AES Filing Instructions

  • Forwarder Authorization & Certifications

  • Signature Block

What it handles

  • Structured party table with USPPI, consignee, forwarder, and intermediate consignee details

  • Commodity table with HS/Schedule B codes, quantities, weights, and valuations

  • Export control classification per line item covering ECCN, ITAR/USML, and EAR99 status

  • EEI/AES filing responsibility assignment with authorization statements

  • Forwarder authorization and shipper certification blocks

  • Signature-ready output with cross-references to invoices and packing lists

Required documents

  • Commercial Invoice or Purchase Order

    Invoice or PO containing party details, commodity descriptions, quantities, and values

    .pdf, .docx, .xlsx

  • Packing List

    Shipment packing list with weights, packaging details, routing, and carrier information

    .pdf, .docx, .xlsx

  • Export Classification Documents

    ECCN determinations, commodity jurisdiction results, license documents, or EAR99 self-classifications

    .pdf, .docx

Supporting documents

  • Restricted Party Screening Results

    Denied party and end-use screening reports for all parties involved in the shipment

    .pdf, .docx

  • Prior SLI Templates

    Previously used SLI templates or company-specific formatting requirements

    .pdf, .docx

  • Insurance Certificate

    Cargo insurance certificate or coverage details for the shipment

    .pdf

Why teams use it

Eliminate manual data entry across party tables, commodity schedules, and classification fields

Ensure consistent export control documentation with ECCN, ITAR, and EAR99 tracking per line item

Reduce compliance risk by structuring EEI/AES filing responsibilities and authorization statements

Accelerate shipment processing with ready-to-sign SLIs that cross-reference invoices and packing lists

Questions

What is a Shipper's Letter of Instruction (SLI)?

An SLI is a document that authorizes a freight forwarder to act on behalf of the shipper (USPPI) for international exports. It captures key shipment data, export control classifications, and EEI/AES filing instructions. CaseMark generates a compliance-ready SLI that aligns all this information in one structured document.

Does CaseMark handle ECCN, ITAR, and EAR99 classifications?

Yes. CaseMark's AI populates the export control classification section for each line item, including ECCN codes, ITAR/USML categories, EAR99 designations, and associated license or exemption details. You should verify all classifications against your official export control determinations.

Can the SLI designate EEI/AES filing responsibility?

Absolutely. CaseMark's generated SLI includes a dedicated EEI/AES filing section where you can assign filing responsibility to either the forwarder or the shipper, along with the appropriate authorization statement required by U.S. Census Bureau regulations.

What documents do I need to upload?

At minimum, upload your commercial invoice or purchase order, a packing list with shipment details, and any export classification or license documents. CaseMark extracts party information, commodity details, and classification data from these sources to populate all nine sections of the SLI.

Is the output compliant with U.S. export regulations?

CaseMark generates SLIs structured to align with U.S. export documentation requirements, including EAR and ITAR frameworks. However, the output should always be reviewed by your trade compliance team to ensure accuracy and regulatory compliance for your specific shipment.

Can I customize the SLI for different forwarders or shipment types?

Yes. CaseMark allows you to review and edit every section of the generated SLI before exporting. You can adjust party details, routing, filing responsibilities, and authorization language to match the requirements of different forwarders or shipment scenarios.

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