At recent meetings between Revenue and stakeholders as part of the Tax Administration Liaison Committee (TALC), Revenue outlined a solution enabling filers to use a Public Interface Test (PIT) environment to submit test Top‑up Tax Information Returns and receive validation‑based success or failure responses. Revenue
has now issued a PIT User Guide outlining the process and providing details on how to access the test environment. A series of
information videos on Pillar Two registration have also been published