Alabama Non-Resident Taxes
You are considered a nonresident if you are legal resident of another state.
A nonresident is required to report income received from services performed in Alabama and required to file tax return if your gross income from Alabama sources exceeds the allowable prorated personal exemption.
Forms
You must use form 40NR to file tax return.
Reference
Part Year Resident
You are a part-year resident if you moved to Alabama and became a resident during the tax year or you moved out of Alabama and became a resident of another state.
The part year resident return should include only income and deductions incurred during the period of residency.
Forms
You must use form 40 to file a part year tax return.
Reference