his involves litigation against any actions by tax and administrative authorities, such as tax findings and resolutions with changes disagreed by the tax-payer, Administrative Execution Procedure (PAE) or forceful collection, and disputes arising from contracts with federal public entities.
Through the following means of defense:
- Administrative Appeals before administrative authorities.
- Lawsuit for Administrative Litigation (Nullity Lawsuit) before the competent Chambers of the Federal Court of Administrative Justice.
- Indirect Amparo Lawsuit before specialized or common District Courts of the Federal Judicial Branch. This section also includes Amparo against laws.
- Direct Amparo Lawsuit before the Collegiate Courts of the Judicial Branch of the Federation, as well as their corresponding appeals.