In an annuity or pure endowment contract, other than a reversionary, survivorship or group annuity, there shall be a provision that the contract shall constitute the entire contract between the parties or, if a copy of the application is endorsed upon or attached to the contract when issued, a provision that the contract and the application therefor shall constitute the entire contract between the parties.
18 Del. C. 1953, § 2921; 56 Del. Laws, c. 380, § 1.