An agreement which is entered into pursuant to Section 9672 may do all of the following:
(a)
Provide that payments from the county treasuries may be made to the department and disbursed only for investigation, inspection, control and eradication of disease in domestic animals within any county which is a party to the agreement.
(b)
Provide that the department shall have full control and supervision in carrying on the work which is provided for.
(c)
Be continued for a definite term
or until rescinded or terminated.
(d)
Provide for the method by which it may be rescinded or terminated by any of the parties to the agreement.