(a) General. For purposes of section 3(a)(67) of the Act, 15 U.S.C. 78c(a)(67), and § 240.3a67-1, the term substantial counterparty exposure that could have serious adverse effects on the financial stability of the United States banking system or financial markets means a security-based swap position that satisfies either of the following thresholds:

(b) Calculation. For these purposes, daily average aggregate uncollateralized outward exposure and daily average aggregate potential outward exposure shall be calculated the same way as is prescribed in § 240.3a67-3, except that these amounts shall be calculated by reference to all of the person's security-based swap positions, rather than by reference to a specific major security-based swap category.