All standard procedure and perfectly normal, @Sara Enyart.

To make a case for denial here, you're going to need solid application procedures documented, along with their application and good written communication of what you approved and how to allow the tenant to reasonably request (not necessarily approve) residency for the additional two children.

Learned to screen tenants based on Jeff Whites screening standard procedures.

do not think a GC license is the same in all states or that it will protect you - in CT all it takes to get a GC license is like $200 and a postage stamp - these guys can do roofs too - I think in NY you actually have to demonstrate you know about roofing to get a roofer license - check the procedure before you think a piece of paper means more than it does, and keep in mind the BBB and/or the state may not help you and that it will likely be your money that gets drained if you sue an LLC

The experiences of investors seems to be quite divergent and seem to be correlated with the policies and procedures of the local Housing Authorities.

It never ceases to amaze me how so many people in whatever field of business they may be in, do not take into consideration before they jump into a business, to implement Office Procedures which includes handling their finances. 

Consult with a real estate attorney or a financial expert to help you navigate the legal and financial sides of the re-plating procedure.

You could just have, in your interview/screening/lease process, a standard operating procedure for the tenant to follow regarding rent payments (i.e.

These procedures have saved me thousands of dollars 

For example some studies include just the study itself whereas others will include a tax review and preparation in accordance with internal revenue manual audit procedures.