424.20  Sales under judgments against housing companies.--In the event of a judgment against a limited dividend housing corporation in any action not pertaining to the collection of a mortgage indebtedness, there shall be no sale of any of the real property of such corporation except upon 60 days' written notice to the Department of Community Affairs. Upon receipt of such notice, the department shall take such steps as in its judgment may be necessary to protect the rights of all parties.