Overview

On 31 March 2024 Amazon introduced an additional header line to the flat‑file settlement reports for the Singapore marketplace. The new line contains Amazon Singapore’s corporate address and its GST registration number. Sellers who automatically ingest these reports must revise their parsing logic, otherwise the extra row will be mistaken for data and cause accounting mismatches.

Key Points

• Report endpoints impacted — The change applies to the GET_V2_SETTLEMENT_REPORT_DATA_FLAT_FILE_V2 API used to pull settlement files for Singapore.
• Content of the new line — The first row now shows Amazon Singapore Pte Ltd’s physical address (e.g., “1 Raffles Place, Singapore 048619”) together with the GST ID (e.g., “GST No. M12345678X”).
• Shift in data rows — Because the header is inserted before the column titles, every transaction record moves down one line, breaking scripts that treat the first line as the header row.
• Tax‑return advantage – Having the GST number embedded directly in the settlement file lets sellers match Amazon‑issued invoices to their GST filings without consulting a separate source.
• Effective from 31 Mar 2024 — All settlement files generated after this date contain the extra line; earlier files remain unchanged.
• Core columns unchanged — Apart from the added row, the column names, data types, and overall file layout stay the same as before.

How the Updated Settlement Reports Work

1. Initiate the request — A seller or a third‑party service calls the GET_V2_SETTLEMENT_REPORT_DATA_FLAT_FILE_V2 endpoint for Singapore, specifying the settlement period they need.
   • Example: An accounting team schedules a nightly job that requests the April 2024 settlement file for SG via the API.
2. Amazon adds the informational row — The system prefixes the file with a single line that lists the Singapore office address and the GST registration number.
   • Example: The first line of the CSV reads: .