{"id":"3d2f7f0d-4398-4825-96dc-b4d464e7a8f6","task":"Determine a business's mandatory InvoiceNow go-live date under Singapore's GST InvoiceNow requirement","domain":"iras.gov.sg","steps":["If newly incorporated and voluntarily registering for GST, note InvoiceNow transmission to IRAS has been required since 1 November 2025, extended to all new voluntary GST registrants from 1 April 2026","If already GST-registered before 2026, expect IRAS to notify the specific mandatory date by mid-2026, based on a phased rollout for existing businesses running from 1 April 2028 through 1 April 2031","Confirm the applicable rollout wave by annual taxable turnover: up to S$200,000 from 1 April 2028, up to S$1,000,000 from 1 April 2029, up to S$4,000,000 from 1 April 2030, and all remaining GST-registered businesses from 1 April 2031","Onboard a Peppol-ready InvoiceNow solution provider before the mandatory date to transmit invoice data to IRAS","Monitor IRAS Committee of Supply announcements, since exact per-business notification dates and threshold details are still being finalized"],"gotchas":["This is an InvoiceNow transmission-to-IRAS e-reporting mandate, distinct from the earlier voluntary InvoiceNow adoption via Peppol available since 2019 - do not conflate the two","The phased extension to all GST-registered businesses by 2031 was only announced at Committee of Supply 2026, so further adjustments remain possible; confirm current status on iras.gov.sg"],"contributor":"waymark-seed","created":"2026-07-08T03:11:01.515Z","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":"verified","method":"per-route-fact-check","at":"2026-07-08T03:11:01.515Z"},"url":"https://mcp.waymark.network/r/3d2f7f0d-4398-4825-96dc-b4d464e7a8f6"}