12 C.F.R. § 192.340
(a) Offers, sales, or purchases of conversion shares. In connection with offers, sales, or purchases of conversion shares under this part, a savings association and its directors, officers, agents, or employees may not:
(b) Conversion. During the conversion, no person may:
(c) Exceptions. The restrictions in paragraphs (b)(1) and (2) of this section do not apply to offers for more than 10 percent of any class of conversion shares by: