INSTRUCTIONS: ARIZONA PARTNERSHIP INCOME TAX RETURN (Form 165) Partnerships doing business in Arizona can pay their state income tax using a form 165. This document can be found on the website of the Arizona Department of Revenue. Arizona Partnership Income Tax Return 165 Step 1: Enter the beginning and ending dates of your fiscal year if not filing on a calendar year basis. Arizona Partnership Income Tax Return 165 Step 2: Indicate with a check mark whether you are filing an original or amended return. Arizona Partnership Income Tax Return 165 Step 3: Enter your business telephone and activity code numbers, name, address, employer identification number and Arizona transaction privilege tax number. Arizona Partnership Income Tax Return 165 Step 4: Check the boxes where indicated if filing a first time return, or one documenting a name or address change. Arizona Partnership Income Tax Return 165 Step 5: Answer all questions about your business operations on lines A through M. Arizona Partnership Income Tax Return 165 Step 6: Enter your federal ordinary business and rental income on line 1. Arizona Partnership Income Tax Return 165 Step 7: On lines A1 through A5, document your additions to partnership income as instructed. Arizona Partnership Income Tax Return 165 Step 8: Add lines A1 through A5 and enter the total on line 2. Arizona Partnership Income Tax Return 165 Step 9: Add lines 1 and 2 and enter the resulting sum on line 3. Arizona Partnership Income Tax Return 165 Step 10: In Schedule B, document subtractions to your partnership income as instructed on lines B1 through B8. Arizona Partnership Income Tax Return 165 Step 11: Enter the sum of lines B1 through B8 on line 4. Arizona Partnership Income Tax Return 165 Step 12: Subtract line 4 from line 3 and enter the resulting difference on line 5. Arizona Partnership Income Tax Return 165 Step 13: Subtract line 5 from line 1 and enter the resulting difference on line 6. Arizona Partnership Income Tax Return 165 Step 14: If you are filing late or previously filed an incomplete return, consult the instruction booklet to calculate your penalty on line 7. Arizona Partnership Income Tax Return 165 Step 15: Schedule C is only to be completed by multistate corporations. All corporations should enter the business information requested in Schedule D and list their partners as instructed in Schedule E.