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)..
IRS Phone Numbers For Various Taxpayers and Reasons. Individual Taxpayer IRS Phone Numberâ 1-800-829-1040 â This number is for individual taxpayers to have their questions answered living in the US including the US Virgin Islands and Puerto Rico. Use for example, for tax return procedures questions, to ask about a notice you received, to request an IRS Installment Agreement, to request a lost W-2 etc.