Importation is a schedule through which CUSTOMS authorizes the legal entry of goods from abroad, destined for use or consumption in the country. 

Samples of no commercial value are goods that are used only for showing the characteristics of the product and have no commercial value in themselves, and must not be sold in the country. 

For products that are sold by measurment of length, the samples must not exceed 30 cm. 

Products that are not considered samples of no commercial value incude pure chemical products, drugs, toiletry articles, liquors even in miniature bottles, manufactured goods and objects that are inscribed with propaganda. 

Samples of no commercial value are exempt from customs duties. 

Emergency shipments are goods that by their nature require preferential treatment. The Urgent clearance procedures must be regularized within the non-extendable deadline of ten (10) days after unlading has been completed. 

According to the General Customs Law, goods can be released with facilities, limiting Customs control to the minimum necessary. Emergency Shipments are: human organs, human blood and plasma, perishable goods and substances, goods for medical and ichthyological research, radioactive substances, live animals, perishable goods susceptible to decomposition or deterioration; explosives; fuels and flammable products newspapers, maagazines and periodicals; medicines and vaccines; precious stones and metals, paper currency, dyes and coins; goods in bulk, large and heavy goods, and dangerous freight, parts and pieces for machinery, and inputs necessary to avoid stopping a productive process, etc. 

Emergency aid shipments are considered those destined to help victims of natural disasters, epidemics and accidents. The General Customs Law permits the release wth facilities of emergency aid shipments, to be carried out with the minimum Customs control necessary. Goods considered within this include vehicles and other forms of transport, foods, medicines and vaccines; clothing, tents, prefabricated houses, etc. 

Post includes letters, cards, post cards, printed matter, Braille materials, small packets, parcels, and the shipment of documents, money, cassettes and diskettes and compact discs providing they do not exceed four units, and other items according to the classification of the Universal Postal Convention.    

Small packets and parcels must not exceed 2 kilograms and 30 kilograms in weight, respectively.

The FOB value of Postal shipments and Postal Parcels must not exceed US$2000. 

IMPORTATION OF DIPLOMATIC BAGS 

CUSTOMS authorizes the clearance of diplomatic bags that contain small parcels that have visible indications outside as to their character and only contain diplomatic documents and objects for official use. 

Representatives of the Diplomatic Corps and International Organizations accredited in the country are permitted at the end of their postings abroad to bring in free of Ad-Valorem Duties, General Sales Tax and the Selective Consumer Tax, their furniture, household goods, personal effects and one automobile, all of which must bear proportion to the established position.

Postal shipments that are exempt from tariff duties are parcels or packets mailed for personal use or exclusive use of the consignee, including gifts, that do not exceed US$100 in value per shipment, up to a limit of US$1000 per calendar year. 

Clearance is permitted of special vehicles and prosthesis, to be used exclusively by handicapped persons, exempt from tariff duties and with the payment of the General Sales Tax, Selective Consumer Tax and Municipal Promotion Tax via Cancellation Documents. The vehicles may have a maximum value of US$10 000 CIF. To be granted the exemption, the Customs Declaration for Import must be accompanied by a Ministerial Resolution certifying the condition of the handicapped person.