diff --git a/kustomize/commands/internal/kustfile/kustomizationfile.go b/kustomize/commands/internal/kustfile/kustomizationfile.go
index 1f9e5f22bb..480eac473a 100644
--- a/kustomize/commands/internal/kustfile/kustomizationfile.go
+++ b/kustomize/commands/internal/kustfile/kustomizationfile.go
@@ -40,6 +40,7 @@ func determineFieldOrder() []string {
 
 	ordered := []string{
 		"MetaData",
+		"SortOptions",
 		"Resources",
 		"Bases",
 		"NamePrefix",
@@ -65,6 +66,7 @@ func determineFieldOrder() []string {
 		"Configurations",
 		"Generators",
 		"Transformers",
+		"Validators",
 		"Components",
 		"OpenAPI",
 		"BuildMetadata",
diff --git a/kustomize/commands/internal/kustfile/kustomizationfile_test.go b/kustomize/commands/internal/kustfile/kustomizationfile_test.go
index 87d2f0fc67..846ca81748 100644
--- a/kustomize/commands/internal/kustfile/kustomizationfile_test.go
+++ b/kustomize/commands/internal/kustfile/kustomizationfile_test.go
@@ -5,6 +5,7 @@ package kustfile
 
 import (
 	"reflect"
+	"slices"
 	"strings"
 	"testing"
 
@@ -21,6 +22,7 @@ func TestFieldOrder(t *testing.T) {
 		"APIVersion",
 		"Kind",
 		"MetaData",
+		"SortOptions",
 		"Resources",
 		"Bases",
 		"NamePrefix",
@@ -46,6 +48,7 @@ func TestFieldOrder(t *testing.T) {
 		"Configurations",
 		"Generators",
 		"Transformers",
+		"Validators",
 		"Components",
 		"OpenAPI",
 		"BuildMetadata",
@@ -87,6 +90,154 @@ func TestWriteAndRead(t *testing.T) {
 	}
 }
 
+func TestReadAndWrite(t *testing.T) {
+	kWrite := []byte(completeKustfileInOrder)
+
+	fSys := filesys.MakeFsInMemory()
+	testutils_test.WriteTestKustomizationWith(fSys, kWrite)
+	mf, err := NewKustomizationFile(fSys)
+	if err != nil {
+		t.Fatalf("Unexpected Error: %v", err)
+	}
+
+	kustomization, err := mf.Read()
+	if err != nil {
+		t.Fatalf("Unexpected Error: %v", err)
+	}
+
+	if err := mf.Write(kustomization); err != nil {
+		t.Fatalf("Couldn't write kustomization file: %v\n", err)
+	}
+
+	kRead, err := testutils_test.ReadTestKustomization(fSys)
+	if err != nil {
+		t.Fatalf("Unexpected Error: %v", err)
+	}
+
+	if !reflect.DeepEqual(kWrite, kRead) {
+		t.Fatal("Written kustomization is different from read kustomization")
+	}
+}
+
+func TestReadAndWriteDummy(t *testing.T) {
+	kWrite := &types.Kustomization{
+		TypeMeta: types.TypeMeta{
+			APIVersion: "kustomize.config.k8s.io/v1beta1",
+			Kind:       "Kustomization",
+		},
+		MetaData: &types.ObjectMeta{
+			Name:        "name",
+			Namespace:   "namespace",
+			Labels:      map[string]string{"label": "label"},
+			Annotations: map[string]string{"annotation": "annotation"},
+		},
+		OpenAPI:      map[string]string{"path": "schema.json"},
+		NamePrefix:   "prefix",
+		NameSuffix:   "suffix",
+		Namespace:    "namespace",
+		CommonLabels: map[string]string{"commonLabel": "commonLabel"},
+		Labels: []types.Label{{
+			Pairs:            map[string]string{"label": "label"},
+			IncludeSelectors: true,
+			IncludeTemplates: true,
+			FieldSpecs: []types.FieldSpec{{
+				Path: "metadata.labels.label",
+			}},
+		}},
+		CommonAnnotations: map[string]string{"commonAnnotation": "commonAnnotation"},
+		Patches: []types.Patch{{
+			Path: "path",
+		}},
+		Images: []types.Image{{
+			Name:      "name",
+			NewName:   "newName",
+			TagSuffix: "tagSuffix",
+			NewTag:    "newTag",
+			Digest:    "digest",
+		}},
+		Replacements: []types.ReplacementField{{
+			Path: "path",
+		}},
+		Replicas: []types.Replica{{
+			Name:  "name",
+			Count: 1,
+		}},
+		SortOptions: &types.SortOptions{
+			Order: types.LegacySortOrder,
+			LegacySortOptions: &types.LegacySortOptions{
+				OrderFirst: []string{"orderFirst"},
+				OrderLast:  []string{"orderLast"},
+			},
+		},
+		Resources:  []string{"resource"},
+		Components: []string{"component"},
+		Crds:       []string{"crd"},
+		ConfigMapGenerator: []types.ConfigMapArgs{{
+			GeneratorArgs: types.GeneratorArgs{
+				Namespace: "namespace",
+				Name:      "name",
+			},
+		}},
+		SecretGenerator: []types.SecretArgs{{
+			GeneratorArgs: types.GeneratorArgs{
+				Namespace: "namespace",
+				Name:      "name",
+			},
+		}},
+		HelmGlobals: &types.HelmGlobals{
+			ChartHome:  "chartHome",
+			ConfigHome: "configHome",
+		},
+		HelmCharts: []types.HelmChart{{
+			Name: "name",
+		}},
+		GeneratorOptions: &types.GeneratorOptions{
+			Labels: map[string]string{"label": "label"},
+		},
+		Configurations: []string{"configuration"},
+		Generators:     []string{"generator"},
+		Transformers:   []string{"transformer"},
+		Validators:     []string{"validator"},
+		BuildMetadata:  []string{"buildMetadata"},
+	}
+
+	// this check is for forward compatibility: if this fails, add a dummy value to the Kustomization above
+	assertAllNonZeroExcept(t, kWrite, []string{"PatchesStrategicMerge", "PatchesJson6902", "ImageTags", "Vars", "Bases", "HelmChartInflationGenerator"})
+
+	fSys := filesys.MakeFsInMemory()
+	testutils_test.WriteTestKustomization(fSys)
+	mf, err := NewKustomizationFile(fSys)
+	if err != nil {
+		t.Fatalf("Unexpected Error: %v", err)
+	}
+
+	if err := mf.Write(kWrite); err != nil {
+		t.Fatalf("Couldn't write kustomization file: %v\n", err)
+	}
+
+	kRead, err := mf.Read()
+	if err != nil {
+		t.Fatalf("Unexpected Error: %v", err)
+	}
+
+	if !reflect.DeepEqual(kWrite, kRead) {
+		t.Fatal("Written kustomization is different from read kustomization.")
+	}
+}
+
+func assertAllNonZeroExcept(t *testing.T, val *types.Kustomization, except []string) {
+	fFor := reflect.ValueOf(val).Elem()
+	n := fFor.NumField()
+	for i := 0; i < n; i++ {
+		key := fFor.Type().Field(i).Name
+		val := fFor.Field(i)
+		if val.IsZero() && !slices.Contains(except, key) {
+			t.Helper()
+			t.Fatalf("Key %s should not be empty", key)
+		}
+	}
+}
+
 func TestGetPath(t *testing.T) {
 	fSys := filesys.MakeEmptyDirInMemory()
 	testutils_test.WriteTestKustomization(fSys)
@@ -386,3 +537,80 @@ foo:
 		t.Fatalf("Expect an unknown field error but got: %v", err)
 	}
 }
+
+const completeKustfileInOrder = `
+kind: Kustomization
+apiVersion: kustomize.config.k8s.io/v1beta1
+metadata:
+  annotations:
+    annotation: annotation
+  labels:
+    label: label
+  name: name
+  namespace: namespace
+openapi:
+  path: schema.json
+namePrefix: prefix
+nameSuffix: suffix
+namespace: namespace
+commonLabels:
+  commonLabel: commonLabel
+labels:
+- fields:
+  - path: metadata.labels.label
+  includeSelectors: true
+  includeTemplates: true
+  pairs:
+    label: label
+commonAnnotations:
+  commonAnnotation: commonAnnotation
+patches:
+- path: path
+images:
+- digest: digest
+  name: name
+  newName: newName
+  newTag: newTag
+  tagSuffix: tagSuffix
+replacements:
+- path: path
+replicas:
+- count: 1
+  name: name
+sortOptions:
+  legacySortOptions:
+    orderFirst:
+    - orderFirst
+    orderLast:
+    - orderLast
+  order: legacy
+resources:
+- resource
+components:
+- component
+crds:
+- crd
+configMapGenerator:
+- name: name
+  namespace: namespace
+secretGenerator:
+- name: name
+  namespace: namespace
+helmGlobals:
+  chartHome: chartHome
+  configHome: configHome
+helmCharts:
+- name: name
+- name: chartName
+generatorOptions:
+  labels:
+    label: label
+configurations:
+- configuration
+generators:
+- generator
+transformers:
+- transformer
+buildMetadata:
+- buildMetadata
+`