Six states are poised to pass legislation that would prohibit municipalities from passing breed-specific legislation (BSL) in their respective states. The six states are:
Maryland’s H.B. 422 has not been discussed on this site as of yet because there have been several bills proposed in Maryland that would negate the horrendous ruling in Tracey v. Solesky. But H.B. 422 looks like it has the most promise since it would both rescind the Tracey v. Solesky ruling and prohibit breed-specific legislation from being passed by any municipality in the state of Maryland. You can track H.B. 422 here.