Some real estate industry mold disclosure laws:

General Inspection Topics Legislation, Licensing, Ethics & Legal Issues
1

http://www.findsouthwestfloridahomes.com/real-estate-mold-disclosure.php

http://mlsconnect.us/virtualoffice_files/AZ-MOLD%20DISCLOSURE.pdf

http://leg.mt.gov/bills/mca/70/16/70-16-703.htm