| BRE | Annual Information Return for Tax Exempt | A/R TAXES |
| BRFI | GRT Annual Return for Banks | A/R TAXES |
| BRM | GRT Occ,LiqFuel,Auto,Tob,Alc (A/R ONLY) | A/R TAXES |
| BRQ | Gross Receipts Tax - QtrRtn (A/R ONLY) | A/R TAXES |
| BR20 | GrossReceipts,Use&ExciseTaxRtn(A/R ONLY) | A/R TAXES |
| EIC-GU | Earned Income Credit | A/R TAXES |
| GEIPA | Guam Earned Income Application | A/R TAXES |
| GRT | GrossReceipts,Use&ExciseTaxRtn(A/R ONLY) (NEED TO FILE YOUR GRT? Use GuamTax.com.) | A/R TAXES |
| GRT1 | Monthly Gross Receipts,Use and Occupancy | A/R TAXES |
| GRT2 | Monthly Liquid Fuel & Auto Surcharges | A/R TAXES |
| GRT3 | Monthly Tobacco and Alcholic Beverages | A/R TAXES |
| REBATE | Income Tax Rebate | A/R TAXES |
| W-1 | Employer's Quarterly Guam Tax Return (NEED TO FILE YOUR W-1? Use GuamTax.com.) | A/R TAXES |
| W-1X | Amended Employer's Quarterly Guam Tax Return | A/R TAXES |
| W-3 | Transmittal of Income & Tax Statements (NEED TO FILE YOUR W-3/W-2? Use GuamTax.com.) | A/R TAXES |
| W-3SS | Transmittal of Wage and Tax Statements | A/R TAXES |
| 1040 | Individual Income Tax Return | A/R TAXES |
| 1040A | Individual Income Tax Return | A/R TAXES |
| 1040EZ | Income Tax Return - Single and Joint Filers w/o dependents (NEED TO FILE YOUR 1040EZ? Use MyGuamTax.com.) | A/R TAXES |
| 1040NR | Individual Income Tax Return - Non resident Alien | A/R TAXES |
| 1040NR-EZ | Nonresident aliens with no dependents | A/R TAXES |
| 1040X | Amended Individual Income Tax Return | A/R TAXES |
| 1041 | Fiduciary Income Tax Return | A/R TAXES |
| 1065 | Partnership Return Penalties | A/R TAXES |
| 1096 | Annual Summary and Transmittal of Return | A/R TAXES |
| 1120 | Corporation Income Tax Return | A/R TAXES |
| 1120-A | Corporation Income Tax Return - short form | A/R TAXES |
| 1120-H | Return for Homeowners Associations | A/R TAXES |
| 1120-PC | Property & Casualty Ins Co Return | A/R TAXES |
| 1120F | Foreign Corporation Income Tax | A/R TAXES |
| 1120L | US life insurance company income tax rtn | A/R TAXES |
| 1120S | Income Tax Return for an S Corporation | A/R TAXES |
| 1120X | Amended Corporation Income Tax | A/R TAXES |
| 3260 | Monthly 3260 Return | A/R TAXES |
| 4549 | Income Tax Examination Changes | A/R TAXES |
| 4549A | Income Tax Examination Changes | A/R TAXES |
| 4549EIC | Guam earned income application change | A/R TAXES |
| 4549G | Guam earned income application change | A/R TAXES |
| 4862 | Statement of Income Tax Changes | A/R TAXES |
| 4868 | Application for Auto. Extension of Time | A/R TAXES |
| 6672 | Trust Fund Recovery Assessment | A/R TAXES |
| 870 | Waiver of Restrictions on Assmnt & Collection of Deficiency in Tax and Acceptance of Overassessment | A/R TAXES |
| 8841 | Deferral of additional 1993 Taxes | A/R TAXES |
| 990 | Return of Organization Exempt from Income Tax | A/R TAXES |