ALTER DATABASE [DBNAME] SET DELAYED_DURABILITY = FORCED;

https://msdn.microsoft.com/en-us/library/dn449490.aspx

CREATE PROCEDURE <procedureName> …
WITH NATIVE_COMPILATION, SCHEMABINDING, EXECUTE AS OWNER
AS BEGIN ATOMIC WITH 
(
    DELAYED_DURABILITY = ON,
    TRANSACTION ISOLATION LEVEL = SNAPSHOT,
    LANGUAGE = N'English'
    {YOUR T-SQL IMPLEMENTATION HERE}
)
END