For the performance by the customs and excise administration of its duties relating to taxes recovered in accordance with the same procedures and subject to the same penalties, guarantees, securities and privileges as turnover taxes, within Book II of the General Tax Code and the Book of Tax Procedures :
1° References to the tax authorities or the tax administration are understood to be references to the customs and excise authorities;
2° References to the Director General of Public Finance are to be understood as references to the Director General of Customs and Excise;
3° References to employees of the Directorate-General of Public Finance, to employees of the tax administration or to tax employees shall be construed as references to employees of the Directorate-General of Customs and Excise, where applicable, of equivalent category and/or grade.