Section 81. The commission shall cooperate with the department of industrial accidents in the executive office of labor and workforce development, the department of career services in the executive office of labor and workforce development, the departments of transitional assistance, children and families, public health, developmental services and mental health, and such other departments, divisions or subdivisions of the commonwealth as are charged or concerned with the rehabilitation of handicapped persons. Where practicable, the commission shall enter into agreements, confirmed in writing, setting forth procedures whereby said handicapped persons are located and listed to have their fitness and eligibility for rehabilitation services determined by the commission. The commission shall also enter into agreement with the department of career services, under which handicapped persons receiving vocational rehabilitation may be referred for preplacement interview or for job placement to the appropriate one-stop career centers; provided, that nothing in said agreement shall prevent reference of said handicapped persons to employment through the commission.