Pastor Bonus, 80 & 89 (en)

John Paul II, Apostolic Constitution Pastor Bonus, 28-VI-1988, AAS 80 (1988) 841-930

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Congregation for Bishops
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Art. 80 — This Congregation has competence over everything involving the Holy See in the matter of personal prelatures.
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Congregation for the Evangelization of Peoples
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Art. 89 — Within its competence are mission territories, the evangelization of which is committed to suitable institutes and societies and to particular Churches. For these territories it deals with everything pertaining to the establishment and change of ecclesiastical circumscriptions and to the provision of these Churches, and it carries out the other functions that the Congregation of Bishops fulfills within the scope of its competence.
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Full Text:
http://www.vatican.va/holy_father/john_paul_ii/apost_constitutions/documents/hf_jp-ii_apc_19880628_pastor-bonus-roman-curia_en.html