A review of the week's major US international tax-related news. In this edition: IRS expects fewer corporate taxpayer participants in compliance assurance program due to strict eligibility requirements – TIGTA releases report on discrepancy findings that tax withholding required by FIRPTA is not being identified or addressed – Number of TCJA  tax regulations at the OMB's OIRA continues to grow – UK issues 2020 Budget confirming implementation of a 2% DST on revenues earned from 1 April 2020.