RULE 4.2.3: SAMPLES IN TEMPORARY IMPORTATION
For the purposes of article 106, section II, subsection d) --218-Art. 106-- of the Law, the samples and sample collection intended to publicize the merchandise, are those that meet the requirements referred to in rule 3.1.2. --320-Regla 3.1.2--
Samples destined for analysis and laboratory tests to verify compliance with international standards may be imported for up to 6 months, provided that the interested party requests authorization from the Central Administration of Customs Operation (Administración Central de Operación Aduanera) by means of a free letter, in which it must indicate the description, tariff fraction and commercial identification number of the merchandise, the description of the analysis or test process to which it will be submitted, name, denomination or company name and Federal Taxpayer Registration (Registro Federal de Contribuyentes) of the laboratory that will carry out the analysis or laboratory test.
The merchandise or products resulting from the analysis or test must be returned abroad or destroyed in accordance with the procedure established in Article 142 --45-Art. 142-- of the Regulations and in rule 4.3.5. --330-Regla 4.3.5--
Law 94 --213-Art. 94--, 106-II --218-Art. 106--, 107 --218-Art. 107--, 109 --218-Art. 109--, Regulation 142 --45-Art. 142--, General Rules of Foreign Trade (RGCE) 1.2.2. --305-Regla 1.2.2--, 3.1.2. --320-Regla 3.1.2--, 4.3.5. --330-Regla 4.3.5--