Parks and reserves are to be declared by Proclamation of the Governor-General, who may declare all or any part of the park or reserve to be a wilderness zone. Proclamations may be revoked or amended, provided, however, that no Proclamation be made withdrawing land or sea from a park, reserve or wilderness zone, except in accordance with a Resolution passed by each House of Parliament. In any case, no Proclamation creating or revoking parks or reserves may be made, except after consideration by t