(a) The director of public works or other building officers may order that no person shall be permitted to enter, occupy or use a dangerous building or any portion thereof until the same shall have been made safe, and may post such order in a conspicuous place on the exterior wall of such building. No persons shall enter, occupy or use, except for the purpose of repairing and making the same safe, any building or portion thereof after the posting of such notice until such building or portion thereof shall have been made safe.
(b) If the building or portion thereof found dangerous shall be devoted to any purpose requiring a license, the village manager may suspend the license pending the period of making repairs, and he or she may revoke the license in case of failure on the part of the owner or party having an interest in such unsafe building or portion thereof to make same safe without delay and at their expense.