(b) Amount of tax and rate; effective date. --
(1) On and after the first day of July, one thousand nine hundred eighty-seven, the amount of tax shall be the greater of fifty dollars or fifty-five one hundredths of one percent of the value of the tax base, as determined under this article: Provided, That when the taxpayer's first taxable year under this article is a short taxable year, the taxpayer's liability shall be prorated based upon the ratio which the number of months in which such short taxable year bears to twelve: Provided, however, That this subdivision shall not apply to taxable years beginning on or after the first day of January, one thousand nine hundred eighty-nine.
(2) Taxable years after the thirty-first day of December, one thousand nine hundred eighty-eight. -- For taxable years beginning on or after the first day of January, one thousand nine hundred eighty-nine, the amount of tax due under this article shall be the greater of fifty dollars or seventy-five one hundredths of one percent of the value of the tax base as determined under this article.
(3) Taxable years after the thirtieth day of June, one thousand nine hundred ninety-seven. -- For taxable years beginning on or after the first day of July, one thousand nine hundred ninety-seven, the amount of tax due under this article shall be the greater of fifty dollars or seventy hundredths of one percent of the value of the tax base as determined under this article.
(4) Taxable years after the thirty-first day of December, two thousand six. -- For taxable years beginning on or after the first day of January, two thousand seven, the amount of tax due under this article shall be the greater of fifty dollars or fifty-five one hundredths of one percent of the value of the tax base as determined under this article.
(5) Taxable years after the thirty-first day of December, two thousand eight. -- For taxable years beginning on or after the first day of January, two thousand nine, the amount of tax due under this article shall be the greater of fifty dollars or forty-eight one hundredths of one percent of the value of the tax base as determined under this article.
(6) Taxable years after the thirty-first day of December, two thousand nine. -- For taxable years beginning on or after the first day of January, two thousand ten, the amount of tax due under this article shall be the greater of fifty dollars or forty-one one hundredths of one percent of the value of the tax base as determined under this article.
(7) Taxable years after the thirty-first day of December, two thousand ten. -- For taxable years beginning on or after the first day of January, two thousand eleven, the amount of tax due under this article shall be the greater of fifty dollars or thirty-four one hundredths of one percent of the value of the tax base as determined under this article.
(8) Taxable years after the thirty-first day of December, two thousand eleven. -- For taxable years beginning on or after the first day of January, two thousand twelve, the amount of tax due under this article shall be the greater of fifty dollars or twenty-seven one hundredths of one percent of the value of the tax base as determined under this article.
(9) Taxable years after the thirty-first day of December, two thousand twelve. -- For taxable years beginning on or after the first day of January, two thousand thirteen, the amount of tax due under this article shall be the greater of fifty dollars or twenty one hundredths of one percent of the value of the tax base as determined under this article.
(10) Taxable years after the thirty-first day of December, two thousand thirteen. -- For taxable years beginning on or after the first day of January, two thousand fourteen, the amount of tax due under this article shall be the greater of fifty dollars or ten one hundredths of one percent of the value of the tax base as determined under this article.
(11) Taxable years after the thirty-first day of December, two thousand fourteen. -- For taxable years beginning on or after the first day of January, two thousand fifteen, there shall be no tax due under the provisions of this article.
(c) Short taxable years. -- When the taxpayer's taxable year for federal income tax purposes is a short taxable year, the tax determined by application of the tax rate to the taxpayer's tax base shall be prorated based upon the ratio which the number of months in such short taxable year bears to twelve: Provided, That when the taxpayer's first taxable year under this article is less than twelve months, the taxpayer's liability shall be prorated based upon the ratio which the number of months the taxpayer was doing business in this state bears to twelve, but in no event shall the tax due be less than fifty dollars.