(2) A society, or any branch of a society, may (if the rules thereof so provide) hold, purchase, or take on lease any land, and may sell, exchange, mortgage, lease or build upon the same, (with power to alter and pull down buildings and again rebuild), and no purchaser, assignee, mortgagee, or tenant shall be bound to inquire as to the authority for any sale, exchange, mortgage, or lease by the committee, and the receipt of the members of the committee, or of a majority thereof, shall be a discharge for all moneys arising from or in connection with such sale, exchange, mortgage, or lease.