In addition to the definitions in 85-2-102 , MCA the following definitions apply to these rules:
(1) "Applicant" means a person who filed an application for an extension of time.
(2) "Application" means an application for an extension of time, Form No. 607.
(3) "Change authorization" means an authorization to change the point of diversion, place of use, purpose of use, or place of storage of an existing water right issued by the department pursuant to Title 85, chapter 2, MCA.
(4) "Project completion due date" means the date on the permit, change authorization or an authorized extension when the project completion notice is to be received by the department. The postmark on the envelope, if the notice is mailed, must be on or before the project completion due date.