765 ILCS 115/2
The presiding officer of such lodge or subordinate body, together with the secretary or officer keeping the records thereof, may execute mortgages and execute or receive conveyances or leases of any real estate by or to such lodge or subordinate body when authorized by a vote of the members present at a regular meeting held by said lodge or subordinate body, after at least ten days' notice has been given to all members of said lodge or subordinate body by mailing a written notice of said proposed action to the last known address of all such members.
All conveyances, leases or mortgages executed hereunder shall be in the name of the lodge, attested by the presiding officer and secretary or other officer in charge of the records, and shall have affixed the seal, if any, of such lodge or subordinate body.
765 ILCS 115/2