FL S1646

Adds a requirement that proposed technical amendments to the Florida Building Code must directly relate to public health, safety, and welfare before the Florida Building Commission can approve them.

Requires proposed amendments to be published on the commission's website for a minimum of 45 days with associated documentation available before Technical Advisory Committee review.

Requires Technical Advisory Committee to vote three-fourths in favor of an amendment, with at least half of regular members present, to make a favorable recommendation.

Mandates amendments be published for at least 45 days after Technical Advisory Committee approval and before commission consideration, with opportunity for public hearing modification.

Updates cross-references in Florida Statutes section 553.73 to reflect the new amendment condition and changes certain statutory language from "shall" to "must."