(a) Only a child placement agency may petition for guardianship under this subtitle.
(b) A court may grant guardianship under this subtitle only for a minor.
(c) A petitioner shall attach to a petition:
(1) all written consents for the guardianship that the petitioner has; and
(2) if applicable:
(i) proof of guardianship or relinquishment of parental rights granted by an administrative, executive, or judicial body of a state or other jurisdiction; and
(ii) certification that the guardianship or relinquishment was granted in compliance with the jurisdiction’s laws.