diff --git a/bp2build/build_conversion.go b/bp2build/build_conversion.go
index 2c293ea..2c553c6 100644
--- a/bp2build/build_conversion.go
+++ b/bp2build/build_conversion.go
@@ -213,6 +213,8 @@
 	// Delete it from being generated in the BUILD file.
 	delete(props.Attrs, "bzl_load_location")
 
+	delete(props.Attrs, "bp2build_available")
+
 	// Return the Bazel target with rule class and attributes, ready to be
 	// code-generated.
 	attributes := propsToAttributes(props.Attrs)
diff --git a/bp2build/build_conversion_test.go b/bp2build/build_conversion_test.go
index 081b0e5..27212d1 100644
--- a/bp2build/build_conversion_test.go
+++ b/bp2build/build_conversion_test.go
@@ -228,6 +228,7 @@
 	name: "foo",
     string_list_prop: ["a", "b"],
     string_prop: "a",
+    bazel_module: { bp2build_available: true },
 }`,
 			expectedBazelTarget: `custom(
     name = "foo",
@@ -382,6 +383,7 @@
 		{
 			bp: `custom {
     name: "bar",
+    bazel_module: { bp2build_available: true  },
 }`,
 			expectedBazelTarget: `my_library(
     name = "bar",
@@ -474,6 +476,7 @@
 			bp: `filegroup {
     name: "fg_foo",
     srcs: [],
+    bazel_module: { bp2build_available: true },
 }`,
 			expectedBazelTargets: []string{
 				`filegroup(
@@ -491,6 +494,7 @@
 			bp: `filegroup {
     name: "fg_foo",
     srcs: ["a", "b"],
+    bazel_module: { bp2build_available: true },
 }`,
 			expectedBazelTargets: []string{`filegroup(
     name = "fg_foo",
@@ -510,6 +514,7 @@
     name: "fg_foo",
     srcs: ["a", "b"],
     exclude_srcs: ["a"],
+    bazel_module: { bp2build_available: true },
 }`,
 			expectedBazelTargets: []string{`filegroup(
     name = "fg_foo",
@@ -527,6 +532,7 @@
 			bp: `filegroup {
     name: "foo",
     srcs: ["**/*.txt"],
+    bazel_module: { bp2build_available: true },
 }`,
 			expectedBazelTargets: []string{`filegroup(
     name = "foo",
@@ -552,6 +558,7 @@
 			bp: `filegroup {
     name: "foo",
     srcs: ["a.txt"],
+    bazel_module: { bp2build_available: true },
 }`,
 			dir: "other",
 			expectedBazelTargets: []string{`filegroup(
@@ -567,6 +574,7 @@
 				"other/Android.bp": `filegroup {
     name: "fg_foo",
     srcs: ["**/*.txt"],
+    bazel_module: { bp2build_available: true },
 }`,
 				"other/a.txt":        "",
 				"other/b.txt":        "",
@@ -585,6 +593,7 @@
       ":foo",
         "c",
     ],
+    bazel_module: { bp2build_available: true },
 }`,
 			expectedBazelTargets: []string{`filegroup(
     name = "foobar",
@@ -612,6 +621,7 @@
     out: ["foo_tool.out"],
     srcs: ["foo_tool.in"],
     cmd: "cp $(in) $(out)",
+    bazel_module: { bp2build_available: true },
 }
 
 genrule {
@@ -620,6 +630,7 @@
     srcs: ["foo.in"],
     tools: [":foo.tool"],
     cmd: "$(location :foo.tool) --genDir=$(genDir) arg $(in) $(out)",
+    bazel_module: { bp2build_available: true },
 }`,
 			expectedBazelTargets: []string{
 				`genrule(
@@ -658,7 +669,8 @@
     out: ["foo_tool.out", "foo_tool2.out"],
     srcs: ["foo_tool.in"],
     cmd: "cp $(in) $(out)",
-   }
+    bazel_module: { bp2build_available: true },
+}
 
 genrule {
     name: "foo",
@@ -666,6 +678,7 @@
     srcs: ["foo.in"],
     tools: [":foo.tools"],
     cmd: "$(locations :foo.tools) -s $(out) $(in)",
+    bazel_module: { bp2build_available: true },
 }`,
 			expectedBazelTargets: []string{`genrule(
     name = "foo",
@@ -705,6 +718,7 @@
     srcs: ["foo.in"],
     tool_files: [":foo.tool"],
     cmd: "$(locations :foo.tool) -s $(out) $(in)",
+    bazel_module: { bp2build_available: true },
 }`,
 			expectedBazelTargets: []string{`genrule(
     name = "foo",
@@ -734,6 +748,7 @@
     srcs: [":other.tool"],
     tool_files: [":foo.tool"],
     cmd: "$(locations :foo.tool) -s $(out) $(location :other.tool)",
+    bazel_module: { bp2build_available: true },
 }`,
 			expectedBazelTargets: []string{`genrule(
     name = "foo",
@@ -763,6 +778,7 @@
     srcs: ["foo.in"],
     tool_files: [":foo.tool", ":other.tool"],
     cmd: "$(location) -s $(out) $(in)",
+    bazel_module: { bp2build_available: true },
 }`,
 			expectedBazelTargets: []string{`genrule(
     name = "foo",
@@ -793,6 +809,7 @@
     srcs: ["foo.in"],
     tools: [":foo.tool", ":other.tool"],
     cmd: "$(locations) -s $(out) $(in)",
+    bazel_module: { bp2build_available: true },
 }`,
 			expectedBazelTargets: []string{`genrule(
     name = "foo",
@@ -822,6 +839,7 @@
     out: ["foo.out"],
     srcs: ["foo.in"],
     cmd: "cp $(in) $(out)",
+    bazel_module: { bp2build_available: true },
 }`,
 			expectedBazelTargets: []string{`genrule(
     name = "foo",
@@ -927,6 +945,7 @@
     out: ["out"],
     srcs: ["in1"],
     defaults: ["gen_defaults"],
+    bazel_module: { bp2build_available: true },
 }
 `,
 			expectedBazelTarget: `genrule(
@@ -961,6 +980,7 @@
     srcs: ["in1"],
     defaults: ["gen_defaults"],
     cmd: "do-something $(in) $(out)",
+    bazel_module: { bp2build_available: true },
 }
 `,
 			expectedBazelTarget: `genrule(
@@ -999,6 +1019,7 @@
     name: "gen",
     out: ["out"],
     defaults: ["gen_defaults1", "gen_defaults2"],
+    bazel_module: { bp2build_available: true },
 }
 `,
 			expectedBazelTarget: `genrule(
@@ -1045,6 +1066,7 @@
     name: "gen",
     out: ["out"],
     defaults: ["gen_defaults1"],
+    bazel_module: { bp2build_available: true },
 }
 `,
 			expectedBazelTarget: `genrule(
@@ -1097,3 +1119,80 @@
 		}
 	}
 }
+
+func TestAllowlistingBp2buildTargets(t *testing.T) {
+	testCases := []struct {
+		moduleTypeUnderTest                string
+		moduleTypeUnderTestFactory         android.ModuleFactory
+		moduleTypeUnderTestBp2BuildMutator bp2buildMutator
+		bp                                 string
+		expectedCount                      int
+		description                        string
+	}{
+		{
+			description:                        "explicitly unavailable",
+			moduleTypeUnderTest:                "filegroup",
+			moduleTypeUnderTestFactory:         android.FileGroupFactory,
+			moduleTypeUnderTestBp2BuildMutator: android.FilegroupBp2Build,
+			bp: `filegroup {
+    name: "foo",
+    srcs: ["a", "b"],
+    bazel_module: { bp2build_available: false },
+}`,
+			expectedCount: 0,
+		},
+		{
+			description:                        "implicitly unavailable",
+			moduleTypeUnderTest:                "filegroup",
+			moduleTypeUnderTestFactory:         android.FileGroupFactory,
+			moduleTypeUnderTestBp2BuildMutator: android.FilegroupBp2Build,
+			bp: `filegroup {
+    name: "foo",
+    srcs: ["a", "b"],
+}`,
+			expectedCount: 0,
+		},
+		{
+			description:                        "explicitly available",
+			moduleTypeUnderTest:                "filegroup",
+			moduleTypeUnderTestFactory:         android.FileGroupFactory,
+			moduleTypeUnderTestBp2BuildMutator: android.FilegroupBp2Build,
+			bp: `filegroup {
+    name: "foo",
+    srcs: ["a", "b"],
+    bazel_module: { bp2build_available: true },
+}`,
+			expectedCount: 1,
+		},
+		{
+			description:                        "generates more than 1 target if needed",
+			moduleTypeUnderTest:                "custom",
+			moduleTypeUnderTestFactory:         customModuleFactory,
+			moduleTypeUnderTestBp2BuildMutator: customBp2BuildMutatorFromStarlark,
+			bp: `custom {
+    name: "foo",
+    bazel_module: { bp2build_available: true },
+}`,
+			expectedCount: 3,
+		},
+	}
+
+	dir := "."
+	for _, testCase := range testCases {
+		config := android.TestConfig(buildDir, nil, testCase.bp, nil)
+		ctx := android.NewTestContext(config)
+		ctx.RegisterModuleType(testCase.moduleTypeUnderTest, testCase.moduleTypeUnderTestFactory)
+		ctx.RegisterBp2BuildMutator(testCase.moduleTypeUnderTest, testCase.moduleTypeUnderTestBp2BuildMutator)
+		ctx.RegisterForBazelConversion()
+
+		_, errs := ctx.ParseFileList(dir, []string{"Android.bp"})
+		android.FailIfErrored(t, errs)
+		_, errs = ctx.ResolveDependencies(config)
+		android.FailIfErrored(t, errs)
+
+		bazelTargets := GenerateBazelTargets(ctx.Context.Context, Bp2Build)[dir]
+		if actualCount := len(bazelTargets); actualCount != testCase.expectedCount {
+			t.Fatalf("%s: Expected %d bazel target, got %d", testCase.description, testCase.expectedCount, actualCount)
+		}
+	}
+}
diff --git a/bp2build/bzl_conversion_test.go b/bp2build/bzl_conversion_test.go
index f2a4058..30c1a5b 100644
--- a/bp2build/bzl_conversion_test.go
+++ b/bp2build/bzl_conversion_test.go
@@ -86,6 +86,10 @@
         "soong_module_name": attr.string(mandatory = True),
         "soong_module_variant": attr.string(),
         "soong_module_deps": attr.label_list(providers = [SoongModuleInfo]),
+        # bazel_module start
+#         "label": attr.string(),
+#         "bp2build_available": attr.bool(),
+        # bazel_module end
         "bool_prop": attr.bool(),
         "bool_ptr_prop": attr.bool(),
         "int64_ptr_prop": attr.int(),
diff --git a/bp2build/testing.go b/bp2build/testing.go
index b5f5448..1f0ada2 100644
--- a/bp2build/testing.go
+++ b/bp2build/testing.go
@@ -27,6 +27,8 @@
 	android.ModuleBase
 
 	props customProps
+
+	bazelProps bazel.Properties
 }
 
 // OutputFiles is needed because some instances of this module use dist with a
@@ -42,6 +44,7 @@
 func customModuleFactoryBase() android.Module {
 	module := &customModule{}
 	module.AddProperties(&module.props)
+	module.AddProperties(&module.bazelProps)
 	return module
 }
 
@@ -124,6 +127,10 @@
 
 func customBp2BuildMutator(ctx android.TopDownMutatorContext) {
 	if m, ok := ctx.Module().(*customModule); ok {
+		if !m.bazelProps.Bazel_module.Bp2build_available {
+			return
+		}
+
 		attrs := &customBazelModuleAttributes{
 			String_prop:      m.props.String_prop,
 			String_list_prop: m.props.String_list_prop,
@@ -143,6 +150,10 @@
 // module to target.
 func customBp2BuildMutatorFromStarlark(ctx android.TopDownMutatorContext) {
 	if m, ok := ctx.Module().(*customModule); ok {
+		if !m.bazelProps.Bazel_module.Bp2build_available {
+			return
+		}
+
 		baseName := m.Name()
 		attrs := &customBazelModuleAttributes{}