National Taxpayer Advocate Nina Olson delivers her final report to Congress; identifies priority challenges facing the IRS and TAS. IR-2019-119, June 20, 2019 — National Taxpayer Advocate Nina E. Olson today released her 37 th and final report to Congress in advance of her previously announced retirement on July 31.. Millions more ITINs set to expire in 2019; IRS says renew early to prevent …

