Congress turns to tax reform after ACA repeal fails in House – Trump Administration issues FY 2018 ‘skinny budget’ – US Tax Court upholds Amazon subsidiary's transfer pricing buy-in payment – IRS finalizes competent authority agreements for CbC reporting – IRS to resume issuing ‘sub-regulatory’ guidance – OECD official offers insights on upcoming profit split, PE profit attribution drafts – OECD, IMF deliver report addressing tax certainty.