
California;
Mexico;
x - Not in D.C.
Spanish
1901 L Street NW, Suite 620, Washington, DC 20036
619.906.5725
Guillermo assists clients in cross-border tax issues and is licensed to practice in Mexico. He previously worked at Mexico’s Revenue Service (Servicio de Administracion Tributaria) in the General Council Office, where his primary function was to establish the legal interpretation and criteria on direct and indirect taxes. He also worked as a Law Clerk at the Federal Tax and Administrative Court, where he drafted decisions and rulings regarding the Magistrate’s criteria under certain tax, customs and administrative law matters.
He is admitted to practice only in California; he is not admitted to the D.C. Bar. His practice is limited to matters and proceedings before the U.S. Internal Revenue Service under D.C. Court of Appeals Rule 49(c)(2).