A review of the week's major US international tax-related news. In this edition:

US government shutdown continues, new CR possible – Treasury official says shutdown will not affect OBBBA guidance – IRS taxpayer obligations unchanged amid shutdown – IRS FIRPTA proposed regs would remove domestic corporation look-through rule – IRS plans to issue proposed regs on sourcing of 'borrower fees' in securities lending and sale-repurchase transactions – President Trump ends trade talks with Canada – OECD issues new TP country profiles.