relative to defined coordinated expenditures.

The provided context only includes an amendment to HB 175's effective date (Section 7), with no description of the bill's actual provisions, purpose, or who it affects. The title "relative to defined coordinated expenditures" suggests a campaign finance-related bill, but the context lacks any substantive details about the policy changes, mechanisms, or affected parties. Without the full bill text or summary explaining its content, a factual summary cannot be generated. The amendment alone does not describe the bill's policy substance.