(c) if the suit is in respect of the parentage of a child resident in the New Sudan, or for the termination, restriction, stay, or re-establishment of the guardianship; (d) where the suit is related to any personal matter, if the plaintiff is a New Sudan National, or a foreigner and the defendant has no known domicile abroad or where the New Sudan law is the proper law to be applied; (e) where the suit relates to guardianship over property, if the minor or the interdict is domiciled or resident in the New Sudan, or where the New Sudan was his last domicile or residence. 11. Several Foreign Defendants:The Courts of the New Sudan shall be competent to try suits where all the defendants are foreigners; provided that any one or more of them is domiciled or resident in the New Sudan. 12. Matters of Inheritance and Estates:The Courts of the New Sudan shall be competent in matters of inheritance and suits relating to estates of deceased person where such deceased person was a New Sudan National or where the estates or any part thereof are in the New Sudan. 13. Submission to Jurisdiction:The Courts of the New Sudan shall be competent to try a suit not within their jurisdiction if the defendant submits to such jurisdiction expressly or impliedly and the Court shall not of its own motion declare itself incompetent for lack of jurisdiction. 14. Local Court Competent:In cases where Courts of the New Sudan assume jurisdiction under sections 8, 9, or 12, the plaintiff has the option to institute the suit before the Court within whose jurisdiction he resides or carries on business or before Yei Courts. 15. Subsidiary and Incidental Matters:Where a Court of the New Sudan is competent to try a suit such competence extends to all preliminary issues and incidental matters, as well as to all applications connected with such suit, where the demands of justice so require. CHAPTER 3. JURISDICTION WITH REFERENCE TO VALUE AND SUBJECT MATTER 16. The Court of Appeal:The Court of Appeal shall have jurisdiction to hear and determine the following:a) objections by way of cassation against decrees and orders; b) questions involving the constitutionality of laws; c) interpretation of the Constitution and legal provisions; 3