Said tax shall be levied, collected and paid with respect to salaries, wages, commissions and other compensation earned on and after January 1, 1976, and with respect to the net profit of business, professions and other activities earned on and after January 1, 1976. Provided, however, that where the fiscal year of the business, profession or other activity differs from the calendar year, the tax shall be applied to that part of the net profit for the fiscal year as shall be earned on and after January 1, 1976, to the close of the taxpayer’s fiscal year; thereafter the taxpayer shall report on its fiscal year basis. (Ord. 12-1975. Passed 7-14-75.)