Puedes dejarlo en lat¨ªn, en letra cursiva... Un ejemplo del International Court of Justice:

"Moreover, as Indonesia has consistently contended, and as Malaysia appears to have realized now, the reply to the question submitted to the Court in the Special Agreement will rest entirely "on the interpretation of the Convention of 20 June 1891, concluded by Great Britain and the Netherlands. Spain was not a party to the Convention. The Convention is res inter alios acta as far as the Philippines is concerned" (observations of Malaysia, p. 10, para. 24; see also p. 14, para. 37). The Philippines is therefore doubly "protected" if I may say so: by Article 59 of the Statute of the Court, on the one hand, and by the fundamental principle that treaties bind the contracting States only, on the other. It may even be triply protected, since the interpretation of the Convention which you, Members of the Court, are called upon to give concerns only its application to Ligitan and Sipadan - there is no dispute between Indonesia and Malaysia with regard to its application to the island of Borneo. Since the Philippines limits its interest to the island of Borneo, expressly excluding Ligitan and Sipadan, it is in a sense also protected by the petitum as defined in the Special Agreement."

Si quieres puedes usar: "petition" o
"petitory":

Petitory (Page: 1073)
Pet"i*to*ry (?), a. [L. petitorius, fr. petere, petitum, to beg, ask: cf. F. p¨¦titore.] Petitioning; soliciting; supplicating. Sir W. Hamilton. Petitory suit ¡Å action (Admiralty Law), a suit in which the mere title to property is litigated and sought to be enforced, as distinguished from a possessory suit; also (Scots Law), a suit wherein the plaintiff claims something as due him by the defendant. Burrill.