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)..
You can also call the IRS at 1-800-829-1954, or 1-800-829-4477, or 1-800-829-1040 and inquire about your tax return status with an IRS a customer service representative. Note that the IRS only updates tax return statuses once a day during the week, usually between midnight and 6am.