And we all know how cigarette smoke clings to everything, including the smoker, so certainly the apartment's smell is not evidence of smoking.I don't want my tenants smoking in my building, but I'm not sure that such a restriction is enforceable.

(B) A restriction on the size and attributes of the junior accessory dwelling unit that conforms with this section.(4) Require a permitted junior accessory dwelling unit to be constructed within the walls of the proposed or existing single-family residence.(5) Require a permitted junior accessory dwelling to include a separate entrance from the main entrance to the proposed or existing single-family residence.(6) Require the permitted junior accessory dwelling unit to include an efficiency kitchen, which shall include all of the following:(A) A cooking facility with appliances.

I've never encountered a smoker who didn't smell like smoke at a showing, who passed my other criteria, and then showed up on move-in day smelling like smoke. 

If they are both smokers then it might not matter as much.How long has this tenant lived in the unit?

I see her tomorrow afternoon. 33 year old divorced insurance broker, no pets, non smoker, has two young kids 50:50 with her ex.

Take ownership of the property and on that day, give the dope smokers a 30 day notice (or 15 day or whatever the law stipulates). 

Great topic, and yes, screen him, you don't want to find him cooking meth in the bathroom...

I don't believe for 1 minute that this wasn't a deliberate cover up of a mistake and whomever was doing the books was cooking the books.

Also, if someone cooks meth in your house-- consider it a total loss-- you have to redo EVERYTHING. 

I believe Provo’s ordinance reads (Provo Code 14.06:)"“Family,” unless otherwise expressly provided in this Title means:(a) One (1) individual living alone; or(b) One (1), but not more than one (1) at the same time, of the following groups of individuals described in subsections (i), (ii), or (iii) who together occupy a one-family dwelling unit as one (1) nonprofit housekeeping unit and who share common living, sleeping, cooking and eating facilities:(i) A head of household and:(A) All persons related to the head of household as a parent, child, grandparent, grandchild, brother, sister, uncle, aunt, nephew, niece, great-grandparent or great-grandchild by blood, marriage, adoption, guardianship, or any other duly authorized custodial relationship; and(B) Not more than two (2) additional related or unrelated persons, including but not limited to, personal care or personal service providers; or(ii) In R1 zones located within neighborhood areas described in Subsection (c) of the definition of “baching singles” in this Section, two (2) related or unrelated individuals and any children of either individual, if any; or(iii) In all other zones, three (3) related or unrelated individuals and any children of either individual, if any."