1.Every corporation having an officer, agent or representative within the city, shall annually on or before March fifteenth transmit to the director of finance a report in a form prescribed by him (except that a corporation which reports on the basis of a fiscal year shall transmit its report within two and one-half months after the close of its fiscal year), setting forth such information as the director of finance may prescribe and every taxpayer which ceases to do business in the city or to be subject to the tax imposed by this part shall transmit to the director of finance a report on the date of such cessation or at such other time as he may require covering each year or period for which no report was theretofore filed. Every taxpayer shall also transmit such other reports and such facts and information as the director of finance may require in the administration of this part. The director of finance may grant a reasonable extension of time for filing reports whenever good cause exists. With respect to taxable years ending prior to December thirty-first, nineteen hundred sixty-six, the returns required to be made and filed pursuant to this section shall be made and filed on or before the fifteenth day of the third month following the close of such taxable year or the sixtieth day following the date this title becomes effective, whichever is later.
An automatic extension of three months for the filing of its annual report shall be allowed any taxpayer if, within the time prescribed by either of the preceding paragraphs, whichever is applicable, such taxpayer files with the director of finance an application for extension in such form as he may prescribe by regulation and pays on or before the date of such filing the amount properly estimated as its tax.