The Secretary shall keep minutes of the Board's proceedings, showing the vote of each member upon every question or, if absent or failing to vote, indicating such fact and shall also keep records of its examinations and official actions filed under property owner's name and lot and block number, with case number, if any, together with all documents pertaining thereto. Every rule, regulation, order, requirement, decision or determination of the Board shall immediately be filed in the office of the Village Clerk and shall be a public record.