diff --git a/src/Standards/Squiz/Sniffs/Functions/FunctionDeclarationArgumentSpacingSniff.php b/src/Standards/Squiz/Sniffs/Functions/FunctionDeclarationArgumentSpacingSniff.php
index 26fd541f06..1fd34fccb5 100644
--- a/src/Standards/Squiz/Sniffs/Functions/FunctionDeclarationArgumentSpacingSniff.php
+++ b/src/Standards/Squiz/Sniffs/Functions/FunctionDeclarationArgumentSpacingSniff.php
@@ -340,6 +340,40 @@ public function processBracket($phpcsFile, $openBracket)
                 }//end if
             }//end if
 
+            if (isset($param['set_visibility_token']) === true && $param['set_visibility_token'] !== false) {
+                $visibilityToken      = $param['set_visibility_token'];
+                $afterVisibilityToken = $phpcsFile->findNext(T_WHITESPACE, ($visibilityToken + 1), $param['token'], true);
+
+                $spacesAfter = 0;
+                if ($afterVisibilityToken !== false
+                    && $tokens[$visibilityToken]['line'] !== $tokens[$afterVisibilityToken]['line']
+                ) {
+                    $spacesAfter = 'newline';
+                } else if ($tokens[($visibilityToken + 1)]['code'] === T_WHITESPACE) {
+                    $spacesAfter = $tokens[($visibilityToken + 1)]['length'];
+                }
+
+                if ($spacesAfter !== 1) {
+                    $error = 'Expected 1 space after set-visibility modifier "%s"; %s found';
+                    $data  = [
+                        $tokens[$visibilityToken]['content'],
+                        $spacesAfter,
+                    ];
+
+                    $fix = $phpcsFile->addFixableError($error, $visibilityToken, 'SpacingAfterSetVisbility', $data);
+                    if ($fix === true) {
+                        $phpcsFile->fixer->beginChangeset();
+                        $phpcsFile->fixer->addContent($visibilityToken, ' ');
+
+                        for ($i = ($visibilityToken + 1); $tokens[$i]['code'] === T_WHITESPACE; $i++) {
+                            $phpcsFile->fixer->replaceToken($i, '');
+                        }
+
+                        $phpcsFile->fixer->endChangeset();
+                    }
+                }//end if
+            }//end if
+
             if (isset($param['readonly_token']) === true) {
                 $readonlyToken      = $param['readonly_token'];
                 $afterReadonlyToken = $phpcsFile->findNext(T_WHITESPACE, ($readonlyToken + 1), $param['token'], true);
diff --git a/src/Standards/Squiz/Tests/Functions/FunctionDeclarationArgumentSpacingUnitTest.1.inc b/src/Standards/Squiz/Tests/Functions/FunctionDeclarationArgumentSpacingUnitTest.1.inc
index f80a567557..af872e73d4 100644
--- a/src/Standards/Squiz/Tests/Functions/FunctionDeclarationArgumentSpacingUnitTest.1.inc
+++ b/src/Standards/Squiz/Tests/Functions/FunctionDeclarationArgumentSpacingUnitTest.1.inc
@@ -210,3 +210,18 @@ class PropertyPromotionSpacingAfterModifier {
         string $tooMuchSpaceNewLines,
     ) {}
 }
+
+class AsymVisibilityPropertyPromotionSpacingAfterComma {
+    public function __construct(private(set) string|int $propA, protected(set) bool $correctSpace,  public(set) MyClass $tooMuchSpace,public(set) string $noSpace) {}
+}
+
+class AsymVisibilityPropertyPromotionSpacingAfterModifier {
+    public function __construct(
+        private(set)$noSpace,
+        public(set)    MyClass $tooMuchSpace,
+        protected(set)   public   string $tooMuchSpaceX2,
+        private
+        public(set)
+        string $tooMuchSpaceNewLines,
+    ) {}
+}
diff --git a/src/Standards/Squiz/Tests/Functions/FunctionDeclarationArgumentSpacingUnitTest.1.inc.fixed b/src/Standards/Squiz/Tests/Functions/FunctionDeclarationArgumentSpacingUnitTest.1.inc.fixed
index c82e3fb016..356b374212 100644
--- a/src/Standards/Squiz/Tests/Functions/FunctionDeclarationArgumentSpacingUnitTest.1.inc.fixed
+++ b/src/Standards/Squiz/Tests/Functions/FunctionDeclarationArgumentSpacingUnitTest.1.inc.fixed
@@ -184,3 +184,16 @@ class PropertyPromotionSpacingAfterModifier {
         readonly public string $tooMuchSpaceNewLines,
     ) {}
 }
+
+class AsymVisibilityPropertyPromotionSpacingAfterComma {
+    public function __construct(private(set) string|int $propA, protected(set) bool $correctSpace, public(set) MyClass $tooMuchSpace, public(set) string $noSpace) {}
+}
+
+class AsymVisibilityPropertyPromotionSpacingAfterModifier {
+    public function __construct(
+        private(set) $noSpace,
+        public(set) MyClass $tooMuchSpace,
+        protected(set) public string $tooMuchSpaceX2,
+        private public(set) string $tooMuchSpaceNewLines,
+    ) {}
+}
diff --git a/src/Standards/Squiz/Tests/Functions/FunctionDeclarationArgumentSpacingUnitTest.php b/src/Standards/Squiz/Tests/Functions/FunctionDeclarationArgumentSpacingUnitTest.php
index 9dcade35a9..2bd81ca241 100644
--- a/src/Standards/Squiz/Tests/Functions/FunctionDeclarationArgumentSpacingUnitTest.php
+++ b/src/Standards/Squiz/Tests/Functions/FunctionDeclarationArgumentSpacingUnitTest.php
@@ -95,6 +95,12 @@ public function getErrorList($testFile='')
                 207 => 2,
                 208 => 1,
                 209 => 1,
+                215 => 2,
+                220 => 1,
+                221 => 1,
+                222 => 2,
+                223 => 1,
+                224 => 1,
             ];
 
         default: