Each insurer issuing health insurance policies for delivery in this State shall, before use thereof, file with the Commissioner its premium rates and classification of risks pertaining to such policies. The insurer shall adhere to its rates and classifications as filed with the Commissioner. The insurer may change such filings from time to time as it deems proper. The filing of rates shall be made pursuant to and under the requirements of Chapter 25 of this title.

18 Del. C. 1953, § ?3334; 56 Del. Laws, c. 380, § ?1; 60 Del. Laws, c. 388, § ?3; 80 Del. Laws, c. 310, § 1;