Ala. Code § 35-2-2: Designation of System in Land Description.

As established for use in the east zone, the Alabama coordinate system shall be named, and in any land description in which it is used it shall be designated, the “Alabama coordinate system, east zone.” As established for use in the west zone, the Alabama coordinate system shall be named, and in any land description in which it is used it shall be designated, the “Alabama coordinate system, west zone.”