§ 4. Rooms for the Grand Army of the Republic and United Spanish War Veterans. The rooms in the capitol now under the charge of the commander of the Grand Army of the Republic for the department of New York, shall continue to be set apart and suitably furnished by the commissioner of general services, and such rooms so furnished shall hereafter be and remain under the joint charge of the commander of the Grand Army of the Republic and the commander of the United Spanish War Veterans, department of New York, or of such officers who are members of such organizations, respectively, as they or their successors may appoint. Such rooms shall continue to be used by them for the purpose of storing the supplies and property of such Grand Army of the Republic and United Spanish War Veterans and their relics and mementoes, and for arranging and preserving the history of individuals belonging to organizations of the state who served in the army, navy, or marine corps, during the war of the rebellion or the Spanish American war, or of citizens of this state who served in the regular army, navy or marine corps of the United States, which such organizations may collect and desire to preserve as a part of the history of the state. Such records shall be accessible at all times under suitable rules and regulations to members of the Grand Army of the Republic, members of the United Spanish War Veterans and other persons engaged in collecting historical information. The commander of each organization shall annually report to the legislature, on or before April first, such portions of the transactions of his respective organization as he deems to be of interest to that organization and to the people of the state.