diff --git a/Library/Homebrew/cask/cask_loader.rb b/Library/Homebrew/cask/cask_loader.rb
index b92b06e38f..288350d4d3 100644
--- a/Library/Homebrew/cask/cask_loader.rb
+++ b/Library/Homebrew/cask/cask_loader.rb
@@ -125,7 +125,9 @@ module Cask
         @content = path.read(encoding: "UTF-8")
         @config = config
 
-        return FromAPILoader.new(token, from_json: JSON.parse(@content)).load(config:) if path.extname == ".json"
+        if path.extname == ".json"
+          return FromAPILoader.new(token, from_json: JSON.parse(@content), path:).load(config:)
+        end
 
         begin
           instance_eval(content, path).tap do |cask|
@@ -278,10 +280,11 @@ module Cask
         new("#{tap}/#{token}")
       end
 
-      sig { params(token: String, from_json: Hash).void }
-      def initialize(token, from_json: T.unsafe(nil))
+      sig { params(token: String, from_json: Hash, path: T.nilable(Pathname)).void }
+      def initialize(token, from_json: T.unsafe(nil), path: nil)
         @token = token.sub(%r{^homebrew/(?:homebrew-)?cask/}i, "")
-        @path = CaskLoader.default_path(@token)
+        @sourcefile_path = path
+        @path = path || CaskLoader.default_path(@token)
         @from_json = from_json
       end
 
@@ -290,6 +293,7 @@ module Cask
 
         cask_options = {
           loaded_from_api: true,
+          sourcefile_path: @sourcefile_path,
           source:          JSON.pretty_generate(json_cask),
           config:,
           loader:          self,
diff --git a/Library/Homebrew/cli/named_args.rb b/Library/Homebrew/cli/named_args.rb
index 834e073aa3..cdbfc29276 100644
--- a/Library/Homebrew/cli/named_args.rb
+++ b/Library/Homebrew/cli/named_args.rb
@@ -103,6 +103,20 @@ module Homebrew
                                                 .map(&:freeze).freeze
       end
 
+      # Returns formulae and casks after validating that a tap is present for each of them.
+      def to_formulae_and_casks_with_taps
+        to_formulae_and_casks.each do |formula_or_cask|
+          case formula_or_cask
+          when Formula
+            odie "Formula #{formula_or_cask.name} is not in a tap!" unless formula_or_cask.tap
+          when Cask::Cask
+            odie "Cask #{formula_or_cask.token} is not in a tap!" unless formula_or_cask.tap
+          else
+            raise ArgumentError, "Expected a formula or a cask: #{formula_or_cask}"
+          end
+        end
+      end
+
       def to_formulae_and_casks_and_unavailable(only: parent&.only_formula_or_cask, method: nil)
         @to_formulae_casks_unknowns ||= {}
         @to_formulae_casks_unknowns[method] = downcased_unique_named.map do |name|
diff --git a/Library/Homebrew/dev-cmd/audit.rb b/Library/Homebrew/dev-cmd/audit.rb
index 3dde5d54da..98ebb3738f 100644
--- a/Library/Homebrew/dev-cmd/audit.rb
+++ b/Library/Homebrew/dev-cmd/audit.rb
@@ -158,7 +158,7 @@ module Homebrew
                         "brew audit [name ...]"
             end
 
-            args.named.to_formulae_and_casks
+            args.named.to_formulae_and_casks_with_taps
                 .partition { |formula_or_cask| formula_or_cask.is_a?(Formula) }
           end
         end
diff --git a/Library/Homebrew/dev-cmd/bump.rb b/Library/Homebrew/dev-cmd/bump.rb
index acd841eaf2..2c38e2addf 100644
--- a/Library/Homebrew/dev-cmd/bump.rb
+++ b/Library/Homebrew/dev-cmd/bump.rb
@@ -78,13 +78,7 @@ module Homebrew
             casks = args.formula? ? [] : Cask::Caskroom.casks
             formulae + casks
           elsif args.named.present?
-            if args.formula?
-              args.named.to_formulae
-            elsif args.cask?
-              args.named.to_casks
-            else
-              args.named.to_formulae_and_casks
-            end
+            args.named.to_formulae_and_casks_with_taps
           end
 
           formulae_and_casks = formulae_and_casks&.sort_by do |formula_or_cask|
diff --git a/Library/Homebrew/dev-cmd/livecheck.rb b/Library/Homebrew/dev-cmd/livecheck.rb
index 4868097656..b4566fa4d9 100644
--- a/Library/Homebrew/dev-cmd/livecheck.rb
+++ b/Library/Homebrew/dev-cmd/livecheck.rb
@@ -73,13 +73,7 @@ module Homebrew
             casks = args.formula? ? [] : Cask::Cask.all(eval_all: args.eval_all?)
             formulae + casks
           elsif args.named.present?
-            if args.formula?
-              args.named.to_formulae
-            elsif args.cask?
-              args.named.to_casks
-            else
-              args.named.to_formulae_and_casks
-            end
+            args.named.to_formulae_and_casks_with_taps
           elsif File.exist?(watchlist_path)
             begin
               names = Pathname.new(watchlist_path).read.lines
diff --git a/Library/Homebrew/test/cask/cask_loader/from_path_loader_spec.rb b/Library/Homebrew/test/cask/cask_loader/from_path_loader_spec.rb
index fccd5b580b..0322a42ba3 100644
--- a/Library/Homebrew/test/cask/cask_loader/from_path_loader_spec.rb
+++ b/Library/Homebrew/test/cask/cask_loader/from_path_loader_spec.rb
@@ -42,5 +42,14 @@ RSpec.describe Cask::CaskLoader::FromPathLoader do
                            /invalid 'depends_on macos' value: unknown or unsupported macOS version:/)
       end
     end
+
+    context "with a JSON cask file" do
+      let(:sourcefile_path) { TEST_FIXTURE_DIR/"cask/everything.json" }
+
+      it "loads a cask with a source file path" do
+        cask = described_class.new(sourcefile_path).load(config: nil)
+        expect(cask.sourcefile_path).to eq sourcefile_path
+      end
+    end
   end
 end