Annual Return

8.1. Filing Date for Calendar Year Taxpayers. -- Calendar year taxpayers shall file the annual return with the Tax Commissioner on or before the end of the first month after the end of the taxable year.

8.2. Filing Date for Fiscal Year Taxpayers. -- Fiscal year taxpayers shall file the annual return with the Tax Commissioner on or before the end of the first month after the end of the fiscal year.

8.3. Payment of Tax. -- It shall be the duty of every taxpayer required to pay the severance tax due by the date fixed for filing the return (determined without regard to any extension of time for filing such return).

8.4. Tax Due Without Assessment. -- It is the duty of every taxpayer required to pay severance tax due pursuant to file the return and pay the tax due even though no assessment, notice or demand is received by the taxpayer.

8.5. Credit. -- Every taxpayer subject to the severance tax is allowed an annual credit of five hundred dollars against taxes due to be applied at the rate of forty-one dollars and sixty-seven cents per month for each month the taxpayer was engaged in business in this State.