The main purpose of this legislation, known as the First-Time Homebuyer Affordability Act, is to make it easier for first-time homebuyers to access affordable mortgage financing. It aims to help more people achieve homeownership by removing certain financial barriers. One of the key provisions of this law is the exemption of qualified mortgage bonds from a volume cap. This means that there will no longer be a limit on the amount of these bonds that can be issued, which is intended to increase the availability of funds for mortgage loans.