(a) Except as provided in Subsection (b) of this section, if a person taxed under this chapter begins business on or after the first day of the quarter, then in lieu of the gross receipts tax provided for in this chapter, the tax for that quarter is $50, payable to the comptroller in advance.(b) If a person that begins business on or after the first day of the quarter is an incorporation, reincorporation, or survivor of a merger of a person or persons that were previously subject to a tax under this chapter, its report required under Section 182.081 of this code must show the combined gross receipts during the preceding quarterly period of the person or persons that were incorporated, reincorporated, or merged to form the new entity. The gross receipts tax provided for in this chapter must be paid on the reported combined gross receipts required under this subsection. Acts 1981, 67th Leg., p. 1717, ch. 389, Sec. 1, eff. Jan. 1, 1982. Amended by Acts 1985, 69th Leg., ch. 31, Sec. 2, eff. Aug. 26, 1985; Acts 1997, 75th Leg., ch. 1423, Sec. 19.118, eff. Sept. 1, 1997.