Service of stop-work orders. The Code Enforcement Officer shall cause
the stop-work order, or a copy thereof, to be served on the owner
of the affected property (and, if the owner is not the permit holder,
on the permit holder) personally or by certified mail and regular
mail. The Code Enforcement Officer shall be permitted, but not required,
to cause the stop-work order, or a copy thereof, to be served on any
builder, architect, tenant, contractor, subcontractor, construction
superintendent, or their agents, or any other person taking part or
assisting in work affected by the stop-work order, personally or by
certified mail and regular mail; provided, however, that failure to
serve any person mentioned in this sentence shall not affect the efficacy
of the stop-work order.