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)..
Below is a list of phone numbers for the Internal Revenue Service. IRS Tax Help Line for Individuals: (800) 829-1040. Hours: MondayâFriday, 7:00 a.m.â7:00 p.m., local time. Welcome to the Internal Revenue Service, you can also visit us at www.irs.gov. To continue in English press 1.