In commercial deals is normal for rent commencement as soon as CO is obtained or when they first opened the door for business in the case of a restaurant.

Eventually the city council will write a legal law, and enforcement will commence. 

(c) If a Residential Rental Property or a Family child Care Home has been issued a “Residential Rental Property or Family Child Care HomeMaintenance Hazards Report,” a “Residential Rental Property or Family Child Care HomeOwner’s Verification of Annual Residential Rental Property or family Child Care HomeInspection” shall be filed with the Toledo Lucas County Health Department annually, commencing one year from the date of issuance of “Lead-Safe Certificate” for the next four (3) years.

I told my realtor  to get to the current owners and see if they would allow me to commence work immediately for a cash contribution.  

Once the loan is secured, the search for my first rehab property will commence.  

(let the negative comments commence!!)

(Contractor) hereby warrants that the construction work performed at {address here} is free from defects and incorporated into this Limited Warranty for a period of 1 year from the date of substantial completion, date of commencement of use, or date of notice of completion, whichever occurs first.

AND, before people start whining, note the size of estates before estate taxes commence.

I recently just got my third property, a plot, soon to commenced with construction.

Came back with stock clip art manipulated into a logo.