Complex sentence: As a rule, Brazilian passports are valid for five years from the date of issue and cannot be renewed; a new passport must be obtained when the previous one has expired or a minimum validity period is required by the country to be visited.
Split into simpler sentences: As a rule, Brazilian passports are valid for five years from the date of issue. They cannot be renewed: a new passport must be obtained when the previous one has expired or a minimum validity period is required by the country to be visited.