It shall be unlawful when the forestlands, brushlands and fields in this Commonwealth or any part thereof have become so dry as to create a serious fire hazard endangering lives and property, for any persons to do any open burning nearer than 300 feet from any such forestlands, brushlands or fields containing dry grass or other flammable material.

This article shall not be effective until the Governor, upon recommendation of the State Forester, proclaims such a condition to exist in this Commonwealth or any part thereof, and it shall be in effect until the Governor proclaims such condition to have terminated.

It shall be the duty of all authorized law-enforcement officers of the Commonwealth, counties, and municipalities to enforce the provisions of this section.

Any person violating the provisions of this section shall be guilty of a Class 3 misdemeanor for each separate offense.