(A) When the law requires an act to be done which may by law as well be done by an agent as by the principal, such requirement shall be construed to include such acts when done by an authorized agent.
(B) When an act is required by an ordinance or this code, the same being such that it may be done as well by an agent as by the principal, such requirement shall be construed to include all such acts performed by an authorized agent.
(2008 Code, § 1.04.040)