Part C. Registration and Modification of Child Support Order. § 46–306.09. Procedure to register child support order of another state for modification. [Repealed] § 46–306.10. Effect of registration for modification. [Repealed] § 46–306.11. Modification of child-support order of another state. [Repealed] § 46–306.12. Recognition of order modified in another state. [Repealed] § 46–306.13. Jurisdiction to modify child support order of another state when individual parties reside in the District. [Repealed] § 46–306.14. Notice to issuing tribunal of modification. [Repealed] § 46–306.15. Jurisdiction to modify child-support order of foreign country or political subdivision. [Repealed]