17 CFR 240.3a40-1: a40-1 Designation of financial responsibility rules.

The term financial responsibility rules for purposes of the Securities Investor Protection Act of 1970 shall include:

(a) Any rule adopted by the Commission pursuant to sections 8, 15(c)(3), 17(a) or 17(e)(1)(A) of the Securities Exchange Act of 1934;

(b) Any rule adopted by the Commission relating to hypothecation or lending of customer securities;

(c) Any rule adopted by any self-regulatory organization relating to capital, margin, recordkeeping, hypothecation or lending requirements; and

(d) Any other rule adopted by the Commission or any self-regulatory organization relating to the protection of funds or securities.