WASHINGTON, June 14 (TNSFRinfo) -- The Securities and Exchange Commission has issued an information collection notice affecting four Exchange Act rules. The rules involved are 15ab2-1, 15Bc3-1, 15Ba2-5 and 15Ba2-4. This notice is part of a process to consolidate multiple information collections related to municipal securities dealer registration into a single control number for efficiency. The Commission plans to submit existing collections for revision, extension, and approval, and temporarily  more