Durán Ayago A. Note on the Instruction of April 28, 2025, of the General Directorate of Legal Security and Public Faith, on updating the registration regime for the parentage of births through surrogacy: between the anodyne and the harmful. Cuad. derecho transnac. 2025;17(2):1155-1163. doi:10.20318/cdt.2025.9911