WASHINGTON — Dismissing criticism from market groups, the Municipal Securities Rulemaking Board has moved forward with a proposal that would require muni securities dealers, as well as their finance professionals and political action committees, to disclose most contributions they make to bond ballot election campaigns.

In a 90-page document filed Friday with the Securities and Exchange Commission, the board proposed changes to its Rule G-37 on political contributions and Rule G-8 on books and records that were originally drafted in June.

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