The Department of Immigration and Nationality Services now comprises of units acting under several Legislative Mandate of the Laws of Belize:
The Immigration Service Unit
-The Immigration Act Chapter 156
-The Aliens Act Chapter 159
-Trafficking in Persons (Prohibition) Act, 2013
-The Caribbean Single Market and Economy Free Movement of Skilled Persons Act Chapter 1702
The Nationality Services Unit
-The Nationality Act Chapter 161
The Passport Services Unit
-The Passport Act Chapter 164
The Permanent Resident Unit
-The Immigration Act Chapter 156 section 10
The Refugees Department
-The Refugee Act Chapter 165