Upon exclusion of land from the district, the board shall file a certificate with the Secretary of State stating:
(a) The name of the district.
(b) The effective date of the exclusion.
(c) The county or counties in which the district is located, and a description of the land excluded, or reference to a map showing the boundaries of such excluded land, which map shall be attached to the certificate, or reference to the county recorder’s office where a description of such boundaries has been recorded.
If the exclusion order contains all of the information required to be in the certificate, the board may file a copy of the order in lieu of the certificate.