However, if subsection (a)(2) applies, or if the company though in business at the commencement of the calendar year was not in business during the preceding year, or was in business during the preceding year or a part thereof but not prior thereto, the tax shall be returned and paid as provided in subsections (c) and (d).
The tax thereon for the year in which the company begins business shall be at the following rate:
The estimate shall be made and the tax returned on or before the twentieth day of the third month after the month in which the company begins business and shall be subject to adjustment by the filing of an amended return as provided in subsection (e). Payment of the tax shall accompany the return unless time for payment is extended by the director of taxation. The extension may be granted by the director in order to provide for payment of the tax in installments during the remainder of the taxable year.
If the year for which the estimate is made is the year in which the company commenced doing business and subsection (c) applies, any variance between the estimate and the actual gross income for that year shall be adjusted and a credit or refund made, or payment of additional tax due, depending upon whether the estimate was in excess of, or less than, the actual gross income of the company for that year.
If the year for which the estimate is made is the year following the year in which the company commenced doing business and subsection (d) applies, the average monthly gross income during the period from and after the commencement of business to the close of the year for which the estimate was made shall be determined and multiplied by twelve. Any variance between the estimate and the amount so computed shall be adjusted and a credit or refund made, or payment of additional tax due, depending upon whether the estimate was in excess of, or less than, the amount computed.
The amended return shall be made and filed and any additional tax due paid on or before the twentieth day of the fourth month following the close of the taxable year in which the company commenced business.
The adjustment of the tax imposed under this chapter and the making of an amended return as provided under this section shall apply only to the first and second taxable years of doing business.
This subsection shall not apply to any company whose tax for the year involved is measured under subsection (c) by an estimate of gross income for the year subject to adjustment after the close of the year.
If the first paragraph of this subsection applies but the tax of the acquiring company for the year is governed by subsection (d) and adjusted under subsection (e), then in determining the average monthly gross income for that purpose there shall be included, in addition to the gross income of the acquiring company for the period involved in the determination of the average, the gross income of the business or part thereof acquired by the company for the portion of that period in which the business was not operated by the acquiring company.
HRS § 239-9