(a) Quarantined areas. Those areas designated on the department's website (http://www.TexasAgriculture.gov) as quarantined areas under this subchapter, are declared to be quarantined areas.(b) Core areas. Those areas designated on the department's website (http://www.TexasAgriculture.gov) as core areas under this subchapter, are declared to be core areas.(c) New or revised quarantined infested areas or core areas. On the basis of new or revised information, the department may declare, augment, diminish, fuse, eliminate, rename, or otherwise modify quarantined areas and core areas.(1) Designation or modification of a quarantined area or a core area is effective upon the posting of the notification of the quarantined area or core area on the department's website (http://www.TexasAgriculture.gov).(2) Notification shall consist in the posting on the department's website of a map and a description of each affected quarantined area or core area.(3) A printed copy of any current notifications of this quarantine is available at the department's Valley Regional Office, 900-B, East Expressway 83, San Juan, Texas 78589, (956) 787-8866. In addition, supplemental information also may be made available on the department's website (http://www.TexasAgriculture.gov) or through press releases by the department.