Sao Tome and Principe, English
1. The President of the Republic shall be elected by universal, direct and secret suffrage.
2. Only a citizen of São Toméan origin, the child of a São Toméan father or mother, more than 35 years of age, who does not possess any other nationality and who over the three years immediately prior to the date of candidacy has had permanent residence in the national territory, may be elected President of the Republic.
… (Art. 78)