(1) The Agency must grant an opportunity for a hearing to the following: (a) Any applicant who requests it because his claim for services is denied or is not acted upon with reasonable promptness. (b) Any beneficiary who requests it because he believes the Agency has taken an action erroneously. (c) Any enrollee who is entitled to a hearing under 42 C.F.R. 438 subpart B. (2) The Agency need not grant a hearing if the sole issue is a Federal or State law requiring an automatic change adversely affecting
(1) Subject to the provisions of Rule 23.05, Rule 23.06, or Rule 66 or any statute, and except when a motion for summary judgment made by an adverse party is pending, the plaintiff shall have the right to take a voluntary nonsuit to dismiss an action without prejudice by filing a written notice of dismissal at any time before the trial of a cause and serving a copy of the notice upon all parties, and if a party has not already been served with a summons and complaint, the plaintiff shall also serve