Ohio Revised Code Title XXXI. Domestic Relations Children § 3109.60

(A) The school district in which the child attends school;

(B) The child's health care providers;

(C) The child's health insurance coverage provider;

(D) The court in which the power of attorney was filed under section 3109.74 of the Revised Code;

(E) The parent who is not the residential parent and legal custodian and who is required to be given notice under section 3109.55 of the Revised Code;

(F) Any other person or entity that has an ongoing relationship with the child or grandparent such that the person or entity would reasonably rely on the power of attorney unless notified of the termination.

The grandparent shall make the notifications not later than one week after the date the power of attorney terminates.