"This rule amends the Department of State’s regulations relating to adoptions in countries party to the Hague Convention on the Protection of Children and Co-operation in Respect of Intercountry Adoption to include a new adoption provision from the International Adoption Simplification Act. The legislation provides for sibling adoption to include certain children who are under the age of 18 at the time the petition for immediate relative is filed on their behalf, and also certain children who attained the age of 18 on or after April 1, 2008 and who are the beneficiaries of a petition filed on or before November 30, 2012. DATES: This rule iseffective June 3, 2013." - Federal Register/ Vol. 78, No. 106 / Monday, June 3, 2013.