8-2-7: TERMS OF PERMIT:
   A.   Class A permits shall be issued for specific dates, provided further no permit shall be issued for a period of time in excess of one year.
   B.   Class B permits shall be issued for specific dates, provided further, no permit shall be issued for a period of time in excess of ninety (90) days.
   C.   Class C permits shall be issued for specific dates, provided further, no permit shall be issued for a period of time in excess of ninety (90) days.
   D.   Class D permits shall be issued for specific dates; provided further, no permit shall be issued for any period of time beyond the expiration of the grading or demolition permit issued by the building official, or beyond expiration of the class A, class B, or class C permit.
   E.   The transportation/engineering official, may upon a showing of good cause, and upon payment of any fee as established by council resolution:
      1.   Grant an extension of any permit for a maximum period not to exceed the term of the original permit;
      2.   Change the specific dates for which such permit is issued.
   F.   Any permit issued under this chapter shall become void upon its expiration date. (1988 Code)