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. Website: Internal Revenue Service (IRS) Contact: Contact the Internal Revenue Service. Help With Tax Questions. Taxpayer Advocate Service. Report Tax Fraud. IRS Hotlines. International IRS Offices. Where to File Paper Tax Returns. Local Offices: Find a Taxpayer Assistance Center Near You. Main Address: 1111 Constitution Ave., NW Washington, DC 20224. Phone Number: 1-202-622-5000. Toll Free: 1-800-829-1040. TTY: 1-800-829-4059. Forms: Internal Revenue Service Forms. Government branch: Executive Department Sub-Office/Agency/Bureau