91If it is necessary to authenticate any act done by the mayor of a local government under the corporate seal of the local government, to be used as evidence in any court, the seal of the mayor is sufficient authentication of the act, unless the act is a corporate act.
91Where it is necessary to authenticate any act done by the mayor of a municipality or rural community under the corporate seal of the municipality or rural community, to be used as evidence in any court, the seal of the mayor is sufficient authentication of the act, unless the act is a corporate act.