Section 204.300 - Scope of this subpart(a)Convention adoptees. This subpart governs the adjudication of a Form I-800A or Form I-800 for a Convention adoptee under section 101(b)(1)(G) of the Act. The provisions of this subpart enter into force on the Convention effective date, as defined in 8 CFR 204.301 .(b)Orphan cases. On or after the Convention effective date, no Form I-600A or I-600 may be filed under section 101(b)(1)(F) of the Act and 8 CFR 204.3 in relation to the adoption of a child who is habitually resident in a Convention country. If a Form I-600A or Form I-600 was filed before the Convention effective date, the case will continue to be governed by 8 CFR 204.3 , as in effect before the Convention effective date.(c)Adopted children. This subpart does not apply to the immigrant visa classification of adopted children, as defined in section 101(b)(1)(E) of the Act. For the procedures that govern classification of adopted children as defined in section 101(b)(1)(E) of the Act, see 8 CFR 204.2 .