Distribution/Data/AppDBContext.cs

@@ -56,6 +56,10 @@ public class AppDBContext(DbContextOptions<AppDBContext> options) : DbContext(op
     public DbSet<Claim> Claims { get; set; }
     public DbSet<SupplierClaim> SupplierClaims { get; set; }
     public DbSet<SupplierClaimItem> SupplierClaimItems { get; set; }
+    public DbSet<RegionalTarget> RegionalTargets { get; set; }
+    public DbSet<RegionalBudget> RegionalBudgets { get; set; }
+    public DbSet<RegionAgencyMap> RegionAgencyMaps { get; set; }
+    public DbSet<RegionalTaxRule> RegionalTaxRules { get; set; }
 
     protected override void OnModelCreating(ModelBuilder modelBuilder)
     {
@@ -373,6 +377,28 @@ public class AppDBContext(DbContextOptions<AppDBContext> options) : DbContext(op
             .HasForeignKey(t => t.FK_OrderId)
             .OnDelete(DeleteBehavior.Restrict);
 
+        modelBuilder.Entity<RegionalTarget>()
+            .HasIndex(t => new { t.FK_RegionId, t.Period })
+            .IsUnique();
+
+        modelBuilder.Entity<RegionalBudget>()
+            .HasIndex(b => new { b.FK_RegionId, b.Period })
+            .IsUnique();
+
+        modelBuilder.Entity<RegionAgencyMap>()
+            .HasIndex(m => new { m.FK_RegionId, m.FK_AgencyUserId })
+            .IsUnique();
+
+        modelBuilder.Entity<RegionAgencyMap>()
+            .HasOne(m => m.AgencyUser)
+            .WithMany()
+            .HasForeignKey(m => m.FK_AgencyUserId)
+            .OnDelete(DeleteBehavior.Restrict);
+
+        modelBuilder.Entity<RegionalTaxRule>()
+            .HasIndex(r => r.FK_RegionId)
+            .IsUnique();
+
         Seed.RoleAndPermissionSeed.Apply(modelBuilder);
     }
 }

Distribution/Models/RegionAgencyMap.cs

@@ -0,0 +1,16 @@
+using System.ComponentModel.DataAnnotations.Schema;
+
+namespace Distribution.Models
+{
+    public class RegionAgencyMap : Template
+    {
+        public Guid FK_RegionId { get; set; }
+        [ForeignKey("FK_RegionId")]
+        public Region Region { get; set; }
+
+        /// <summary>User holding the RegionalAgency role that is mapped to this region.</summary>
+        public Guid FK_AgencyUserId { get; set; }
+        [ForeignKey("FK_AgencyUserId")]
+        public User AgencyUser { get; set; }
+    }
+}

Distribution/Models/RegionalBudget.cs

@@ -0,0 +1,14 @@
+using System.ComponentModel.DataAnnotations.Schema;
+
+namespace Distribution.Models
+{
+    public class RegionalBudget : Template
+    {
+        public Guid FK_RegionId { get; set; }
+        [ForeignKey("FK_RegionId")]
+        public Region Region { get; set; }
+
+        public string Period { get; set; }
+        public decimal BudgetAmount { get; set; }
+    }
+}

Distribution/Models/RegionalTarget.cs

@@ -0,0 +1,14 @@
+using System.ComponentModel.DataAnnotations.Schema;
+
+namespace Distribution.Models
+{
+    public class RegionalTarget : Template
+    {
+        public Guid FK_RegionId { get; set; }
+        [ForeignKey("FK_RegionId")]
+        public Region Region { get; set; }
+
+        public string Period { get; set; }
+        public decimal TargetValue { get; set; }
+    }
+}

Distribution/Models/RegionalTaxRule.cs

@@ -0,0 +1,13 @@
+using System.ComponentModel.DataAnnotations.Schema;
+
+namespace Distribution.Models
+{
+    public class RegionalTaxRule : Template
+    {
+        public Guid FK_RegionId { get; set; }
+        [ForeignKey("FK_RegionId")]
+        public Region Region { get; set; }
+
+        public string RuleConfig { get; set; }
+    }
+}