7.__Form of subscription.__A rule adopted or order issued under this chapter may require as a condition of registration that a security registered under this chapter be sold only on a specified form of subscription or sale contract and that a signed or conformed copy of each contract be filed under this chapter or preserved for a period specified by the rule or order, which may not be longer than 5 years.

8.__Effective period.__Except while a stop order is in effect under section 16306, a registration statement is effective for one year after its effective date or for any longer period designated in an order under this chapter during which the security is being offered or distributed in a nonexempted transaction by or for the account of the issuer or other person on whose behalf the offering is being made or by an underwriter or broker-dealer that is still offering part of an unsold allotment or subscription taken as a participant in the distribution. For the purposes of a nonissuer transaction, all outstanding securities of the same class identified in the registration statement as a security registered under this chapter are considered to be registered while the registration statement is effective. If any securities of the same class are outstanding, a registration statement may not be withdrawn until one year after its effective date. A registration statement may be withdrawn only with the approval of the administrator.

9.__Periodic reports.__While a registration statement is effective, a rule adopted or order issued under this chapter may require the person that filed the registration statement to file reports, not more often than quarterly, to keep the information or other record in the registration statement reasonably current and to disclose the progress of the offering.

10.__Posteffective amendments.__A registration statement may be amended after its effective date. The posteffective amendment becomes effective when the administrator so orders. If a posteffective amendment is made to increase the number of securities specified to be offered or sold, the person filing the amendment shall pay a nonrefundable registration fee of $300.__A posteffective amendment relates back to the date of the offering