Source registry
Regulatory scope, implementation dates and provider status can change. This registry records the official pages used in our planning content.
Registry checked: 18 October 2026Current scope, phased timeline, exclusions and implementation steps
Checked 18 October 2026. The page currently lists the phased dates, the Box 4 annual-supplies basis for prescribed periods ending in calendar year 2025, and the overseas-entity and wholly reverse-charge exclusions.Definitions, legal and technical guidance
Second Edition dated 9 March 2026; checked 18 October 2026. The HTTP resource was last modified 17 March 2026.Application dates, boundary cases and submission methods
Version dated 16 April 2026; checked 18 October 2026. The HTTP resource was last modified 26 May 2026.Official implementation-date calculator
Spreadsheet checked 18 October 2026. The HTTP resource was last modified 2 July 2026; use it with the current IRAS requirement page for the applicable phase.Current grant amounts, windows, eligibility and claim routes
Official page checked 18 October 2026; page footer says last updated 17 July 2026. Current content states the $1k, $5k and $25k grants, the free package window, and the supporting claim steps.Singapore Peppol Authority role, centralised SMP and programme timeline
Official page checked 18 October 2026; page footer says last updated 7 April 2026. IMDA identifies itself as Singapore's Peppol Authority and links to the SG Peppol Directory.Business definition and connection routes
Official programme page checked 18 October 2026; page footer says last updated 4 May 2026. It describes the off-the-shelf and larger-enterprise onboarding routes and free-of-charge packages.Current official solution-provider list
PDF endpoint checked 18 October 2026. The HTTP resource was last modified 12 October 2026; listing status can change and must be checked again before a decision.Current official Access Point list
PDF endpoint checked 18 October 2026. The HTTP resource was last modified 21 September 2026; service availability must be confirmed directly.Official Singapore directory entry point
Directory endpoint checked 18 October 2026. The HTTP resource was last modified 17 September 2026; a directory result is an operational lookup, not a commercial endorsement.Peppol implementation in Singapore
Profile checked 18 October 2026; page states it was last updated 16 March 2026. It identifies IMDA as the Singapore Peppol Authority and describes UEN-based Peppol IDs.Directory search fields and coverage limitations
Guidance page checked 18 October 2026. No authority update date is exposed on the page; it states that directory updates are not currently mandatory, so not every registered receiver will necessarily appear.We link to the current official lists rather than presenting a static ranking. Listing indicates the status described by the source at its verification date; it is not a commercial endorsement or guarantee of fit.
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