(1) The department and process server, as defined in 37-60-101, MCA, must have a signed service agreement and debt code addendum in place prior to the department's acceptance of electronic service of levies and writs.

(2) The signed service agreement serves as the department's written consent to be served electronically in accordance with 25-13-402, MCA, for service of levies and writs upon a state income tax refund that are due to the judgment debtor from the department. Acceptance of electronic service documents is limited solely to the purposes described under 25-13-402, MCA.

(3) When a signed service agreement is in place, the process server shall serve all levies and writs for debt collection on the department electronically. The department will not accept levies or writs in paper format from a process server that has entered into an agreement to submit them by electronic means.

(4) The process server shall provide a valid social security or other federal identification number for each debtor, and a valid district court cause number for each writ.