17 C.F.R. § 230.153b
The term preceded by a prospectus, as used in section 5(b)(2) of the Act with respect to any requirement for the delivery of a prospectus relating to standardized options registered on Form S-20, shall mean the delivery, prior to any transactions, of copies of such prospectus to each options market upon which the options are traded, for the purpose of redelivery to options customers upon their request, Provided That:
(b) The issuer shall have furnished such options market with such reasonable number of copies of such prospectus as may have been requested by the options market for the purpose stated above.
(15 U.S.C. 77a et seq.)
[47 FR 41955, Sept. 23, 1982]