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Provide Public Authorities with tax certificates of third parties that they may need in order to process the administrative procedures that fall within their remit in a direct, electronic and immediate manner, provided that this direct transfer of tax information has the taxpayer's advance consent or is established by law.
Form 521. Excise Taxes. List of starting materials delivered in the quarter.
| SIA code: 998838Fulfilment of the formal requirements for submitting the list of starting materials delivered in the quarter referred to in article 89.4 of the Excise Duty Regulation
The verification procedure aims to clarify or justify the discrepancies in the tax returns or self-assessments filed by the party liable for the tax payment or the data relating to the tax returns or self-assessments.
Facilitate the quarterly filing of the Tax on gambling activities.
Procedure for the approval of requested tax benefits.
| SIA code: 200232Request the application of a tax benefit that requires prior approval from the Administration.
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State Tax Administration Agency. AEAT- Taxes
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