Institutional Review Board (IRB) approval is valid for a maximum period of one year, with limited exceptions specified in the Human Research Protection Program (HRPP) Manual Section 8-8, âDemonstration Projects.â The approval period will be listed on approval letters sent to researchers, including both the approval date and the expiration date.
Operational Hours: This number is valid from 7am to 10pm within your local time zone. IRS Phone Number for Taxpayers Living Abroad (International) â If you are calling about an issue with filing electronically contact the Austin Office at 512-416-7550 (7am to 6pm CST)..
1-800-829-1040 IRS has lots of toll-free telephone numbers:  800-829-1040 - IRS Tax Help Line for Individuals 800-829-4933 -  Business and Specialty Tax Line (new) 800-829-1â¦954 - Refund Hotline  (new) 800-829-3676 - Forms and Publications 877-777-4778 - National  Taxpayer Advocate's Help Line 800-829-4059 - Telephone Device for  the Deaf (TDD ...