21.12.030 Rules of interpretation.
   (a)   Terminology. When used in this title, the following rules apply to all provision of this title:
      (1)   Language. The words "shall," "must," "will," "is to," and "are to" are always mandatory. "Should" is not mandatory but is strongly recommended, and "may" is permissive.
      (2)   Tense. The present tense includes the past and future tense, and the future tense includes the present.
      (3)   Number. The singular number includes the plural number, and the plural the singular, unless the natural construction of the words indicates otherwise.
      (4)   Conjunctions. "And" indicates that all connected items or provisions shall apply. "Or" indicates that the connected items or provisions may apply singly or in any combination. "Either…or" indicates that the connected items and provisions shall apply singly but not in combination. "Includes" and "including" shall mean "including but not limited to…".
      (5)   Local reference. "City" as used herein means the City of La Mirada and all public officials, bodies and agencies referenced herein are those of the city unless otherwise stated.
   (b)   Number of Days. Whenever the number of days is specified in this title, or in any permit, condition of approval, or notice issued or given as provided in this title, the number of days shall be construed as calendar days. When the last of the specified number of days falls on a weekend or city holiday, time limits shall extend to the end of the next working day.
   (c)   Minimum Requirements. When interpreting and applying the regulations of this title, all provisions shall be considered to be minimum requirements, unless specifically stated otherwise.
(Ord. 612 Exhibit A (part), 2008).