The revenue derived from the sale of the stamp provided for herein shall be remitted to the department on the first day of each month by the judge of probate or issuing officer and shall be covered into the State Treasury to the credit of the Game and Fish Fund and shall be used for projects approved by the department for the procurement, development, restoration, maintenance or preservation of wetlands, for waterfowl habitat, and the development or improvement of controlled public waterfowl hunting areas, except that part which is specified by the department for use in paying administrative expenses. No part of revenues derived from the sale of this stamp shall be used to pay administrative expenses not directly related to waterfowl management and no part of revenues shall be used to pay enforcement expenses.

No part of the revenues derived from the sale of this stamp shall be used to replace revenues and allocations presently being made by the department for management of waterfowl refuges and public waterfowl hunting areas.

No part of the revenues derived from the sale of this stamp shall be used to maintain, procure or restore habitat for other wild game except where their occurrence is coexistent with migratory waterfowl. The department may enter into contracts with non-profit organizations for the use of one-half of such funds outside the United States if the department finds that such contracts are necessary for carrying out the purposes of this article.