Section 515F.1 - Purpose of chapter1. The purpose of this chapter is to promote the public welfare by regulating insurance rates so they are not excessive, inadequate, or unfairly discriminatory, and to authorize and regulate limited cooperative action among insurers in ratemaking-related activities and in other matters within the scope of this chapter. This chapter is not intended to: a. Prohibit or discourage reasonable competition.b. Prohibit or encourage, except to the extent necessary to accomplish its purpose, uniformity in rating systems, rating plans, or practices.2. This chapter shall be liberally interpreted to carry into effect the provisions of this section.