No insurer shall make or issue a contract or policy except in accordance with the filings which are in effect for the insurer as provided in this chapter or in accordance with § 2505 (exemption from filing) or § 2509 (excess rates) of this title. This section shall not apply to contracts or policies for inland marine risks as to which filings are not required.

18 Del. C. 1953, § ?2517; 56 Del. Laws, c. 380, § ?1;