- 49 - A. General considerations on the rights of the child Cf. Case of the “Street Children” (Villagrán Morales et al.) v. Guatemala. Merits. Judgment of November 19, 1999. Series C No. 63, para. 194, and Case of Rochac Hernández et al. v. El Salvador. Merits, reparations and costs. Judgment of October 14, 2014. Series C No. 285, para. 106. 307 Guatemala ratified the Convention on the Rights of the Child on June 6, 1990, and it entered into force on September 2, 1990. 308 Cf. Case of Gelman v. Uruguay, supra, para. 121; Case of García Ibarra et al. v. Ecuador. Preliminary objections, merits, reparations and costs. Judgment of November 17, 2015. Series C No. 306, para. 117, and Rights and Guarantees of Children in the Context of Migration and/or in Need of International Protection. Advisory Opinion OC21/14 of August 19, 2014. Series A No.21, para. 66. 309 310 Cf. Advisory Opinion OC-21/14, supra, para. 66. Cf. Juridical Status and Human Rights of the Child, Advisory Opinion OC-17/02, August 28, 2002. Series A No. 17, para. 56; Case of Rochac Hernández et al. v. El Salvador, supra, para. 106, and Advisory Opinion OC-21/14, supra, para. 66. 311 Cf. Case of Furlan and family members v. Argentina. Preliminary objections, merits, reparations and costs. Judgment of August 31, 2012. Series C No. 246, para. 230; Case of Mendoza et al. v. Argentina. Preliminary objections, merits and reparations. Judgment of May 14, 2013. Series C No. 260, para. 143, and Advisory Opinion OC-21/14, supra, para. 66. See also, Committee on the Rights of the Child, General comment No. 7: Implementing child rights in early childhood, UN Doc. CRC/GC/7/Rev. 1, September 20, 2006, para. 17. 312 313 Cf. Advisory Opinion OC-21/14, supra, para. 66. 314 Cf. Case of Gelman v. Uruguay, supra, para. 121, and Case of García Ibarra et al. v. Ecuador, supra, para. 117.