(a) be in writing,

(b) be signed by the building inspector,

(c) be served on the owner of the land or building in respect of which the order is issued and, if a person applied for the building permit or demolition permit on behalf of the owner, on that person,

(d) state the grounds for requiring the action specified in the order,

(e) state that the action specified in the order is to be taken within the period stated in the order, and

(f) state the location of the building or real property or the part of the building or real property in respect of which the order is made.