Maryland Health - General Section 5-512

      (a)      A practitioner or an operator of a crematory may not require an authorizing agent to obtain appointment as personal representative of the decedent's estate as a condition precedent to making final arrangements or authorizing cremation of a decedent.

      (b)      A person may not authorize cremation when a decedent has left instructions in a document that the decedent does not wish to be cremated.