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)..
If face-to-face assistance is not a priority for you, you may also get help with IRS letters or resolve tax account issues by phone, toll free at 1-800-829-1040 (individuals) or 1-800-829-4933 (businesses).For information on where to file your tax return please see Where to File Addresses.The Taxpayer Advocate Service: Call (973) 921-4043 in Springfield or 1-877-777-4778 elsewhere, or see Publication 1546, The Taxpayer Advocate Service of the IRS.f face-to-face assistance is not a priority for you, you may also get help with IRS letters or resolve tax account issues by phone, toll free at 1-800-829-1040 (individuals) or 1-800-829-4933 (businesses).