Each of the various taxes imposed by this chapter shall be computed on the basis of activity during each calendar half-year, and shall be due and payable in semi-annual installments, and remittance therefor, together with return forms, shall be made to the Whatcom County treasurer, on or before the last day of the month next succeeding the period in which the tax accrued; that is, on January 31st and July 31st of each year; provided, that the following exceptions to this payment schedule shall be allowed, or required: Whenever any person, association or organization taxable under this chapter, conducting or operating a taxable activity on a regular basis, discontinues operation of that taxable activity for a period of more than four consecutive weeks, quits business, sells out, or otherwise disposes of its business, or terminates the business, any tax due under this chapter shall become due and payable, and such taxpayer shall, within 10 days thereafter, make a return and pay the tax due.
(Ord. 81-14 § 5; Ord. 2006-002 Exh. A; Ord. 2008-031 Exh. A)