Here are some commonly requested forms.
Many IRS forms are available by searching on this site by the form # followed by the word "form". Example: 1040 form
IRS Forms and Publications - All IRS Forms
IRS Form 941, Employer's Quarterly Federal Tax Return - Forms, instructions, and where to file at www.irs.gov/form941.
Form 1040-ES, Estimated Tax for Individuals - Forms, instructions, and where to file.
TD F 90-22.1 Report of Foreign Bank and Financial Accounts
Foreign Account Tax Compliance Act
Savings Bond Forms - All forms including lost savings bonds, savings bonds not received, death of a decedent, change of address, and more at TreasuryDirect.gov.
Direct Deposit - Sign up on-line using GoDirect - Sign up on line for direct deposit of federal benefit payments by the March 1st 2013 deadline.
Bank Secrecy Act (BSA), Suspicious Activity Reports (SAR), Currency Transaction Reports - forms and e-filing site of the Financial Crimes Enforcement Network (FINCEN)
Treasury Bills, Notes, Bonds, and Treasury Inflation-Protected Securities (TIPS) Forms - forms for lost, stolen, or destroyed securities, death of a decedent, power-of-attorney, claims, and more at TreasuryDirect.gov.
Reporting Transactions and Blocked Property to Office of Foreign Assets Control (OFAC)
License Applications - Includes Application for the Release of Blocked Funds (TD-F 90-22.54) and Trade Sanctions Reform and Export Enhancement Act (TSRA) License Application (For exports of agricultural commodities, medicine and medical devices to Iran and Sudan).
Treasury International Capital (TIC) forms - TIC Forms B, C, D, S, SLT, SHC, SHCA, SHL, SHLA, and more.
Check Claim Power of Attorney Forms - Forms at FMS.treas.gov for collection of certain checks drawn on the U.S. Treasury.