The chairman of the Commission des impôts directs et des taxes sur le chiffre d’affaires provided for in article 1651 , of the Commission nationale des impôts directs et des taxes sur le chiffre d’affaires provided for in article 1651 H or of the Commission nationale des taxes aéronautiques provided for in article 1651 L bis may call upon, at the taxpayer’s request and expense, any person whose expertise is likely to enlighten the commission.
The commission may communicate to this person, without disregarding the rule of professional secrecy, information intended to enable it to fulfil its mission.
The persons consulted are bound by professional secrecy under the conditions provided for by Article L. 103 of the Book of Tax Procedures.