16. a. Nothing in this act shall be construed to require a business licensee that is licensed as a residential mortgage lender or residential mortgage broker to maintain an office in this State so long as it is qualified to do business here and has a registered agent for service of process.
b. Whenever the business licensee changes the address of its principal office or a branch office serving New Jersey consumers, it shall file, as part of its notice of address change required pursuant to paragraph (5) of subsection a. of section 17 of this act, any documents required of it by regulation.