§ 38. Subjects to be acted upon. At an extraordinary session of the
legislature convened pursuant to the provisions of this article, no
subject may be acted upon except such as may be specified in the
perfected joint or concurring petition pursuant to which such session is
convened, or such as may be specified in any perfected joint or
concurring petition received by the temporary president and the speaker
prior to or during such extraordinary session, or such as may be added
to such petition or petitions by amendment thereof by joint resolution
adopted by two-thirds of the members elected to each house.