17 C.F.R. § 270.6c-11
(a) Definitions.
(1) For purposes of this section:
Authorized participant means a member or participant of a clearing agency registered with the Commission, which has a written agreement with the exchange-traded fund or one of its service providers that allows the authorized participant to place orders for the purchase and redemption of creation units.
Basket means the securities, assets or other positions in exchange for which an exchange-traded fund issues (or in return for which it redeems) creation units.
Business day means any day the exchange-traded fund is open for business, including any day when it satisfies redemption requests as required by section 22(e) of the Act (15 U.S.C. 80a-22(e)).
Cash balancing amount means an amount of cash to account for any difference between the value of the basket and the net asset value of a creation unit.
Creation unit means a specified number of exchange-traded fund shares that the exchange-traded fund will issue to (or redeem from) an authorized participant in exchange for the deposit (or delivery) of a basket and a cash balancing amount if any.
Custom basket means:
Exchange-traded fund means a registered open-end management company:
Exchange-traded fund share means a share of stock issued by an exchange-traded fund.
Foreign investment means any security, asset or other position of the ETF issued by a foreign issuer as that term is defined in § 240.3b-4 of this title, and that is traded on a trading market outside of the United States.
Market price means:
National securities exchange means an exchange that is registered with the Commission under section 6 of the Securities Exchange Act of 1934 (15 U.S.C. 78f).
Portfolio holdings means the securities, assets or other positions held by the exchange-traded fund.
Premium or discount means the positive or negative difference between the market price of an exchange-traded fund share at the time as of which the current net asset value is calculated and the exchange-traded fund's current net asset value per share, expressed as a percentage of the exchange-traded fund share's current net asset value per share.
(b) Application of the Act to exchange-traded funds. If the conditions of paragraph (c) of this section are satisfied:
(3) Affiliated transactions. A person who is an affiliated person of an exchange-traded fund (or who is an affiliated person of such a person) solely by reason of the circumstances described in paragraphs (b)(3)(i) and (ii) of this section is exempt from sections 17(a)(1) and 17(a)(2) of the Act (15 U.S.C. 80a-17(a)(1) and (a)(2)) with regard to the deposit and receipt of baskets:
(c) Conditions.
(1) Each business day, an exchange-traded fund must disclose prominently on its website, which is publicly available and free of charge:
(i) Before the opening of regular trading on the primary listing exchange of the exchange-traded fund shares, the following information (as applicable) for each portfolio holding that will form the basis of the next calculation of current net asset value per share:
(v) The exchange-traded fund's median bid-ask spread, expressed as a percentage rounded to the nearest hundredth, computed by:
(3) An exchange-traded fund must adopt and implement written policies and procedures that govern the construction of baskets and the process that will be used for the acceptance of baskets; provided, however, if the exchange-traded fund utilizes a custom basket, these written policies and procedures also must:
(d) Recordkeeping. The exchange-traded fund must maintain and preserve for a period of not less than five years, the first two years in an easily accessible place:
(2) For each basket exchanged with an authorized participant, records setting forth:
[84 FR 57234, Oct. 24, 2019, as amended at 85 FR 83291, Dec. 21, 2020]