For the purpose of these regulations, the following rules of construction apply:
(a) Unless the context clearly indicates the contrary, words used in the present tense include the future tense and words in the singular include the plural, unless the context clearly indicates the contrary.
(b) The term "shall" is mandatory; the term "may" is permissive.
(c) A word or term not interpreted or defined in this chapter shall be used with a meaning of common or standard utilization.
(Ord. 281. Passed 10-2-89.)