Section 240.3a68-3 - Meaning of "narrow-based security index" as used in the definition of "security-based swap."(a)In general. Except as otherwise provided in § 240.3a 68-1a and § 240.3a 68-1b, for purposes of section 3(a)(68) of the Act (15 U.S.C. 78c(a)(68) ), the term narrow-based security index has the meaning set forth in section 3(a)(55) of the Act (15 U.S.C. 78c(a)(55) ), and the rules, regulations, and orders of the Commission thereunder.(b)Tolerance period for swaps traded on designated contract markets, swap execution facilities and foreign boards of trade. Notwithstanding paragraph (a) of this section, solely for purposes of swaps traded on or subject to the rules of a designated contract market, swap execution facility, or foreign board of trade pursuant to the Commodity Exchange Act (7 U.S.C. 1 et seq.), a security index underlying such swaps shall not be considered a narrow-based security index if: (1)(i) A swap on the index is traded on or subject to the rules of a designated contract market, swap execution facility, or foreign board of trade pursuant to the Commodity Exchange Act (7 U.S.C. 1 et seq.) for at least 30 days as a swap on an index that was not a narrow-based security index; or(ii) Such index was not a narrow-based security index during every trading day of the six full calendar months preceding a date no earlier than 30 days prior to the commencement of trading of a swap on such index on a market described in paragraph (b)(1)(i) of this section; and(2) The index has been a narrow-based security index for no more than 45 business days over three consecutive calendar months.(c)Tolerance period for security-based swaps traded on national securities exchanges or security-based swap execution facilities. Notwithstanding paragraph (a) of this section, solely for purposes of security-based swaps traded on a national securities exchange or security-based swap execution facility, a security index underlying such security-based swaps shall be considered a narrow-based security index if:(1)(i) A security-based swap on the index is traded on a national securities exchange or security-based swap execution facility for at least 30 days as a security-based swap on a narrow-based security index; or(ii) Such index was a narrow-based security index during every trading day of the six full calendar months preceding a date no earlier than 30 days prior to the commencement of trading of a security-based swap on such index on a market described in paragraph (c)(1)(i) of this section; and(2) The index has been a security index that is not a narrow-based security index for no more than 45 business days over three consecutive calendar months.(d)Grace period.(1) Solely with respect to a swap that is traded on or subject to the rules of a designated contract market, swap execution facility or foreign board of trade pursuant to the Commodity Exchange Act (7 U.S.C. 1 et seq.), an index that becomes a narrow-based security index under paragraph (b) of this section solely because it was a narrow-based security index for more than 45 business days over three consecutive calendar months shall not be a narrow-based security index for the following three calendar months.(2) Solely with respect to a security-based swap that is traded on a national securities exchange or security-based swap execution facility, an index that becomes a security index that is not a narrow-based security index under paragraph (c) of this section solely because it was not a narrow-based security index for more than 45 business days over three consecutive calendar months shall be a narrow-based security index for the following three calendar months. 77 FR 48356 , Aug. 13, 2012