(A) on observing a dog engaged in killing, wounding, injuring or chasing livestock or after receiving a written complaint supported by evidence that a dog was so engaged receipt from a complainant, the dog control officer or other law enforcement officer will impound the dog

(1) the written complaint referenced (A) will be made on a form prepared by the Deschutes County Sheriffs Office

(2) the form shall clearly state that

(a) the complainant makes a declaration of the truth of the statements contained in the complaint AND

(b) if the dog is ultimately determined to have not engaged in chasing, killing, injuring or wounding livestock, the complainant may be liable for the impoundment fee and/or the costs of keeping and testing the dog pursuant to 6.l2.060(B)

(B) if there's reason to believe that reasonable testing of a dog impounded per (A) - including, but not limited to, a fecal examination or examination of the dog's teeth - will provide further substantial evidence determining if the dog engaged in killing, wounding, injuring or chasing livestock, then the County may order administration of tests by a licensed veterinarian

(C) the decision whether to order any such testing will be wholly within the discretion of the County, and the County's failure to order such testing will not be considered as evidence by the Board