(a)   Legislative Intent. If any sentence, clause, section or part of this chapter, or any tax against any individual or any of the several groups specified herein are found to be unconstitutional, illegal or invalid, such unconstitutionality, illegality, invalidity shall affect only such clause, sentence, section or part of this chapter; shall not affect or impair any of the remaining provisions, sentences, clauses, sections or other parts of this chapter. It is hereby declared to be the intention of Council that this chapter would have been adopted had such unconstitutional, illegal or invalid sentence, clause, section or part thereof had not been included therein.
   (b)   Collection of Tax After Termination of Chapter.
      (1)   This chapter shall continue effective insofar as the levy of taxes is concerned until repealed, and insofar as the collection of taxes levied hereunder and actions and proceedings for collecting any tax so levied or enforcing any provisions of this chapter are concerned, it shall continue effective until all of such taxes levied in the aforesaid period are fully paid and any and all suits and prosecutions for the collection of such taxes or for the punishment of violations of this chapter have been fully terminated subject to the limitations contained in Sections 191.10 (a), (b), (c) and 191.08 (e) and (g) hereof.
      (2)   Annual returns due for all or any part of the last effective year of this chapter shall be due on the date provided in Sections 191.04 (a) and 191.06 (b) as though the same were continuing.
         (1978 Code Sec. 281.14)