No foreign savings and loan association which conducts a savings and loan business as defined in section 11-40-103 shall operate an office in this state in order to sell its shares or accounts or make new loans in this state. Violation of this section is a class 2 misdemeanor which shall subject the offender and its officers, agents, and representatives, upon conviction thereof, to the penalties which are authorized in section 18-1.3-501 (1), C.R.S., and each separate business transaction in violation of this section shall constitute a separate offense; but nothing in this section shall be construed to prohibit a foreign association from transacting business in respect to executory contracts in force on May 17, 1939.