Article 15
1  Any person holding a permanent nationality that is not dependent on residence in a certain country is eligible to play for the representative teams of the Association of that country.

2 With the exception of the conditions specified in article 18 below, any Player who has already participated in a match (either in full or in part) in an official competition of any category or any type of football for one Association may not play an international match for a representative team of another Association.

Article 16 Nationality entitling players to represent more than one Association
1 A Player who, under the terms of art. 15, is eligible to represent more than one Association on account of his nationality, may play in an international match for one of these Associations only if, in addition to having the relevant nationality, he fulfils at least one of the following conditions:
(a) He was born on the territory of the relevant Association;
(b) His biological mother or biological father was born on the territory of the relevant Association;
© His grandmother or grandfather was born on the territory of the relevant Association;
(d) He has lived continuously on the territory of the relevant Association for at least two years.

Article 17 Acquisition of a new nationality
Any Player who refers to art. 15 par. 1 to assume a new nationality and who has not played international football in accordance with art. 15 par. 2 shall be eligible to play for the new representative team only if he fulfils one of the following conditions:
(a) He was born on the territory of the relevant Association;
(b) His biological mother or biological father was born on the  territory of the relevant Association;
© His grandmother or grandfather was born on the territory of the relevant Association;
(d) He has lived continuously for at least five years after reaching the age of 18 on the territory of the relevant Association.