(A) General. Permits are required for building and mechanical work as stated in the Minnesota State Building Code. Permits are required for plumbing work regulated by the Minnesota Plumbing Code.
(B) Expiration of permits. Permits for building and mechanical work shall be valid for a period of time as stated in the Minnesota State Building Code. Permits for plumbing work, or any other permit issued under this chapter, shall be valid for a similar time period as building and mechanical permits.