You'll only be able to get a phone out of state, or through the internet. No one selling phones will deal with this.
There is 3rd party software, already available. It's not free. And, a one time $20 will not cover it. Plus, Apple is causing problems for everyone who does content filtering.
I know. I work for a company that sells content filtering software, and I work on the iPhone product.
These bills were written by tech ignorant legislators. As they refuse to try to understand the issue, they are blind and stupid.