Application of Brunei citizenship is based on the following categories:
· Section 4(1) Brunei Nationality Act
· Section 6(1) Brunei Nationality Act
· Section 5(1) Brunei Nationality Act
· Section 8(1) Brunei Nationality Act
· Section 5(6) Brunei Nationality Act
It is advised for the person to attend directly to the department's headquarters or any of its office branches within four districts.