Central Government power to declare cantonments and constitute administrative Boards, with scope to modify local governance. The Central Government may, by notification, declare places where Forces are quartered or their vicinity to be cantonments, define their limits, and withdraw such declaration. After declaration it must constitute a Board within one year (with possible written extensions) and may make interim administrative orders; it may also notify modifications or limitations on the operation or authority of other local self government enactments within the cantonment.