Servicio de Administración Tributaria

Secretaria de Hacienda y Crédito Público

Colegio de Contadores Públicos de Guadalajara Jalisco A.C.

Suprema Corte de Justicia de la Nación

Tribunal Federal de Justicia Fiscal y Administrativa

United States Department of the Treasury

Internal Revenue Service

American Institute of Certified Public Accountants

World Trade Organization

Organisation for Economic Co-operation  and Development