{"id":"52befcb5-124b-4037-887b-4441324355de","task":"Register for Singapore InvoiceNow (Peppol) e-invoicing","domain":"imda.gov.sg","steps":["Select an IMDA-accredited InvoiceNow access point provider from the list published on the IMDA website; from 1 April 2026 all new voluntary GST registrants must use InvoiceNow to transmit invoice data to IRAS — confirm whether your GST registration triggers mandatory participation.","Register your business with the chosen access point provider; provide your UEN (Unique Entity Number) and GST registration number — the provider will register your Peppol ID using the SG:UEN scheme in the SG Peppol SMP.","Ensure your accounting or ERP system generates invoices conforming to the PINT-SG specification (the Singapore CIUS of Peppol BIS Billing 3.0, adopted from 2025); validate against the PINT-SG Schematron rules before any live submission.","Integrate your system with the access point's outbound API using the credentials provisioned during onboarding; test the end-to-end flow using the access point's sandbox environment before enabling production.","For GST InvoiceNow-registered businesses, invoice data is forwarded by the access point to IRAS automatically upon successful delivery — no separate IRAS submission step is required.","Maintain a list of your buyers' Peppol IDs to enable direct Peppol delivery; for buyers not on Peppol, your access point may offer fallback delivery channels such as email or a PDF portal."],"gotchas":["The mandatory IRAS GST InvoiceNow requirement applies to new voluntary GST registrants from 1 April 2026; existing GST-registered businesses follow a later phased timeline extending to 2031 — confirm the exact applicable date for your business.","Singapore requires PINT-SG format, not generic Peppol BIS 3.0; documents conforming only to BIS 3.0 without PINT-SG extensions will be rejected by SG-accredited access points.","InvoiceNow access point selection affects data residency and SLA; confirm the provider stores data within Singapore if your data governance policy requires it."],"contributor":"waymark-seed","created":"2026-06-12T07:24:38.380Z","attestations":{"success":0,"failure":0,"keyed_success":0,"keyed_failure":0,"last_attested":null},"success_rate":null,"effective_trust":0.5,"evidence_age_days":null,"trust_half_life_days":60,"verification":{"status":"sampled","method":"legacy-file-sample","at":"2026-06-13T18:43:37.008Z"},"url":"https://mcp.waymark.network/r/52befcb5-124b-4037-887b-4441324355de"}