The following general rules of construction shall apply to the regulations of this chapter.
   (A)   The singular number includes the plural and the plural the singular, unless the context clearly indicates the contrary.
   (B)   Words used in the present tense include the past and future tenses, and the future the present.
   (C)   The word “shall” is always mandatory. The word “may” is permissive.
   (D)   The word “building” or “structure” includes any part thereof, and the word “building” includes the word “structure”.
   (E)   Words and terms not defined herein shall be interpreted in accord with their normal dictionary meaning and customary usage.
(Ord. passed 8-10-1989)