(b) The tax referred to in Sections 183.05, 183.06 and 183.07 with respect to net profits of trades, businesses, professions, enterprises, undertakings, and other activities shall first be levied, collected and paid with respect to such net profits earned or accrued (in accordance with the regular accounting system of taxpayer as approved by the Director of Internal Revenue) from and after January 1, 1972, and to and including December 31, 1974.
(c) But see Section 183.10 for fiscal year returns.
(Res. 10-1971. Passed 12-27-71.)