Interest on delinquency.
Section 180-A
SEC. 180-A. Interest on delinquency.—Where the amount of the tax imposed under Section one hundred and eighty-two, or any part of such amount, is not paid on the due date of the tax, there shall be collected, as part of the tax, interest upon such unpaid amount at the rate of fourteen per centum per annum from the due date until it is paid.