National and Affiliated Securities Associations (Rules 15Aa-1 to 15Bc7-1) Rule 15Aa-1 — Registration of a national or an affiliated securities association. Rule 15Aj-1 — Amendments and supplements to registration statements of securities associations. Rule 15Al2-1 — [Reserved] Rule 15Ba1-1 — Definitions. Rule 15Ba1-2 — Registration of municipal advisors and information regarding certain natural persons. Rule 15Ba1-3 –Exemption of certain natural persons from registration under section 15B(a)(1)(B) of the Act. Rule 15Ba1-4 — Withdrawal from municipal advisor registration. Rule 15Ba1-5 — Amendments to Form MA and Form MA-I. Rule 15Ba1-6 — Consent to service of process to be filed by non-resident municipal advisors; legal opinion to be provided by non-resident municipal advisors. Rule 15Ba1-7 — Registration of successor to municipal advisor. Rule 15Ba1-8 — Books and records to be made and maintained by municipal advisors. Rule 15Ba2-1 — Application for registration of municipal securities dealers which are banks or separately identifiable departments or divisions of banks. Rule 15Ba2-2 — Application for registration of non-bank municipal securities dealers whose business is exclusively intrastate. Rule 15Ba2-4 — Registration of successor to registered municipal securities dealer. Rule 15Ba2-5 — Registration of fiduciaries. Rule 15Ba2-6 — [Reserved] Rule 15Bc3-1 — Withdrawal from registration of municipal. securities dealers. Rule 15Bc4-1 — Persons associated with municipal advisors. Rule 15Bc7-1 — Availability of examination reports.