N.D. Cent. Code § 57-51-02.4

Shallow gas produced during the first twenty-four months of production from and after the date of first sales of gas from a well completed or recompleted in a shallow gas zone after June 30, 2003, is exempted from the gross production tax levied under section 57-51-02.2. Gas produced from such a well during testing prior to well completion or connection to a pipeline is also exempt from the gross production tax.