A. Authority. The Director has the authority to interpret any provision of this Zoning Ordinance. If the Director determines that the meaning or applicability of any Zoning Ordinance requirement is subject to interpretation, the Director may issue an official interpretation. The Director may also refer any issue of interpretation to the Commission for their determination.

B. Language. When used in this Zoning Ordinance, 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. The present tense includes the past and future tenses; and the future tense includes the present. The singular number includes the plural number, and the plural the singular, unless the natural construction of the word indicates otherwise. The words "includes" and "including" shall mean "including but not limited to. . .".

C. Time limits. Whenever a number of days is specified in this Zoning Ordinance, or in any permit, condition of approval, or notice provided in compliance with this Zoning Ordinance, the number of days shall be construed as consecutive calendar days. A time limit shall extend to 5 p.m. on the following working day where the last of the specified number of days falls on a weekend or holiday.

D. Zoning Map boundaries. See Section 2.020 (Zoning Map and Zones).

E. Allowable uses of land. See Section 3.030 (Allowable Land Uses and Planning Permit Requirements).

F. State law requirements. Where this Zoning Ordinance references applicable provisions of State law (for example, the California Government Code, Subdivision Map Act, or Public Resources Code), the reference shall be construed to mean the applicable State law provisions as they may be amended from time to time.

G. Conflicting requirements. See Section 1.040 (D) (Conflicting requirements).