the Ministério da Justiça (ministry of justice) is the organ in charge of many of the laws and procedures regulating most documents related to foreigners, visas, and naturalization processes, and maintains a website accessible via this link.

on this link, the MINISTRY OF LABOR, CABINET OF THE MINISTER GENERAL IMMIGRATION COORDINATION OFFICE, makes this PROCEDURE GUIDE for the Concession of Work Permits to Foreign Citizens - contact information and requirements for cases such as Foreign Professor, researcher or scientist, Foreign citizen contracted to render technical assistance and/or technology transfer services, Foreign Administrator, Manager, Director or Executive with Management power, Foreign citizen working in a position with concomitant managing powers, within the same group or economic conglomerate, Foreign citizen representing a foreign financial institution, Foreign artist and sports person, Foreign citizen working on board of a foreign tourism ship, Foreign citizen working on board of a foreign embarkation or platform, and Professional Training for Foreign Citizens are all explained in detail.