§ 169. Delegation of powers and immunities in regard to dutch elm
disease in municipalities. The powers and immunities prescribed and
granted in sections one hundred sixty-four, one hundred sixty-five and
one hundred sixty-seven of this article may, within the limits of any
municipality, be exercised and enjoyed by the appropriate officers and
employees of such municipality with respect and in regard to the dutch
elm disease, if with the approval of the commissioner and under the
direction of the commissioner or his representative and if the local
legislative body of any such municipality by local law or ordinance
elects to exercise and enjoy such powers and immunities.