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 Customer Service Phone Number [ Irs.gov Customer Support ] IRS customer care contact details is different for various services and it is as follows, IRS customer Service number for Tax Help Line for Individuals: (800) 829-1040. Working Hours are from MondayâFriday at 7:00 a.m to 7:00 p.m., local time. For the services Business and Specialty Tax Line call to (800) 829-4933. Working Hours will be from Monday to Friday, 7:00 a.m.â7:00 p.m.,local time.