- Declaration concerning article 8, paragraph 3 of the Convention:
Belgium reserves the right to deprive of his nationality a person who did not acquire it by virtue of a Belgian individual on the day of his birth, or who was not granted it under the Belgian Nationality Code, in the cases currently provided for under Belgian legislation, namely:
1. If the person acquired Belgian nationality through fraudulent conduct, provision of false information, forgery and/or the use of false or falsified documents, identity fraud or fraudulent acquisition of the right of residency;
2. If he seriously violates his duties as a Belgian citizen;
3. If he has been sentenced as perpetrator, co-perpetrator or accomplice, to a non-suspended prison sentence of at least five years for one of the following offences:
- Attacks or plots against the King, the Royal Family or the Government;
- Crimes or misdemeanours against the external security of the State;
- Crimes or misdemeanours against the internal security of the State;
- Serious violations of international humanitarian law;
- Terrorist offences;
- Threat of attack against persons or property, and false information regarding serious attacks;
- Theft or extortion of nuclear materials;
- Offences relating to the physical protection of nuclear materials;
- Human trafficking;
- People smuggling;
.