General Information For Filing Contractors' Gross Receipts Tax Returns

All contractors constructing, reconstructing, or building any public highway, road, bridge, or street must remit the Alabama Contractors Gross Receipts Tax to the Alabama Department of Revenue ("ADOR").
The return and remittance are due on or before the twentieth day of the month following the month covered by the return.
NOTE: EFT payment information must be transmitted by 4:00 p.m. CST (Central Standard Time) on or before the due date, to be considered timely paid.

Returns filed after the due date are subject to a "failure to timely file" penalty equal to the greater of 10% of the tax required to be paid on the return or $50.00. Tax payments received after the due date are subject to a "failure to timely pay" penalty equal to 10% of the delinquent tax. If the tax is not timely paid, interest is also due at the same rate established by the Secretary of the Treasury under authority of 26 USC 6621.
Instructions For Filing Alabama Contractors' Gross Receipts Tax Returns
Schedule
 Use the schedule to report amounts received on each taxable project.
Line 1

TOTAL TAXABLE RECEIPTS FROM ALL CONTRACTS:
Total taxable receipts will be calculated from the schedule.
Line 2
 TAX AT 5%:
Tax will be calculated.  (Total taxable receipts x 5%)
Line 3
 DISCOUNT:
If tax is timely paid, discount will be computed on the amount shown on Line 2.  Discount is 5% on first $100.00 or less in tax and 2% of tax over $100.00 not to exceed $400.00 per month.
Line 4
PENALTY AND INTEREST, IF DUE:
Returns filed after the due date are subject to a "failure to timely file" penalty equal to the greater of 10% of the tax required to be paid on Line 10 of the return or $50.00. Tax payments received after the due date are subject to a "failure to timely pay" penalty equal to 10% of the delinquent tax. If the tax is not timely paid, interest is also due at the same rate established by the Secretary of the Treasury under authority of 26 USC 6621.  (Click here to determine current interest rates.)
NOTE: If your return or payment is not timely filed or paid, you will be billed the appropriate penalties and interest by the ADOR.
Line 5
CREDIT CLAIMED:
Use Line 5 to claim an amount of credit for a prior overpayment. The credit claimed will be applied to reduce the tax liability shown on the return.
NOTE: Any credit for prior overpayment must be approved in advance by the ADOR. Credit claimed should not exceed the sum of Line 3 (Tax Due) plus Line 4 (Penalty & Interest). Valid excess credit can be claimed on subsequent returns.
Line 6
TOTAL AMOUNT DUE:
The total amount due is the result of Line 2 (Tax Due) minus Line 3 (Discount) plus Line 4 (Penalty & Interest) minus Line 5 (Credit Claimed).