Residential real estate has become more complex over the years as a result of laws enacted to protect consumers’s welfare. There are 22 federal laws that play a part in residential real estate. The list is not exhaustive, and some apply to more then one part of the transaction.
But it provides an idea of how much of what you do falls under federal regulation.

Laws that impact businesses generally, including laws governing truth in advertising, are NOT included.

23 federal laws that apply to real estate sales – click here.