diff --git a/simple/Chart.yaml b/simple/Chart.yaml
index 30f8a0e..eb3db48 100644
--- a/simple/Chart.yaml
+++ b/simple/Chart.yaml
@@ -1,6 +1,6 @@
 apiVersion: v1
 description: Helm chart with simple deployment/service template
 name: simple
-version: 0.21.1
+version: 0.21.2
 appVersion: 0.0.1
 tillerVersion: ">=2.14.3"
diff --git a/simple/templates/_ingress_multiple.tpl b/simple/templates/_ingress_multiple.tpl
index 934e385..82732f3 100644
--- a/simple/templates/_ingress_multiple.tpl
+++ b/simple/templates/_ingress_multiple.tpl
@@ -13,13 +13,22 @@ metadata:
     {{ $key }}: {{ $value }}
     {{- end }}
   annotations:
-{{ toYaml $ref.annotations | indent 4 }}
+    {{- $omittedAnnotations := omit $ref.annotations "alb.ingress.kubernetes.io/tags" }}
+{{ toYaml $omittedAnnotations | indent 4 }}
     {{- if and (not (index $ref.annotations "alb.ingress.kubernetes.io/ssl-policy")) (index $ref.annotations "alb.ingress.kubernetes.io/load-balancer-name") (index $ref.annotations "alb.ingress.kubernetes.io/certificate-arn") }}
     alb.ingress.kubernetes.io/ssl-policy: "ELBSecurityPolicy-TLS13-1-2-2021-06"
     {{- end }}
     {{- if eq (index $ref.annotations "kubernetes.io/ingress.class") "alb" }}
     {{- if not (index $ref.annotations "alb.ingress.kubernetes.io/tags") }}
     alb.ingress.kubernetes.io/tags: {{ printf "businessid=%s" $businessid | quote }}
+    {{- else }}
+    {{- $tags := index $ref.annotations "alb.ingress.kubernetes.io/tags" }}
+    {{- if not (regexMatch "businessid=[^,]+" $tags) }}
+    {{- $newTags := printf "%s,businessid=%s" $tags $businessid | quote }}
+    alb.ingress.kubernetes.io/tags: {{ $newTags }}
+    {{- else }}
+    alb.ingress.kubernetes.io/tags: {{ $tags }}
+    {{- end }}
     {{- end }}
     {{- end }}
 spec:
diff --git a/simple/templates/_ingress_single.tpl b/simple/templates/_ingress_single.tpl
index 71a2c4d..9e4a2c3 100644
--- a/simple/templates/_ingress_single.tpl
+++ b/simple/templates/_ingress_single.tpl
@@ -9,13 +9,22 @@ metadata:
     {{ $key }}: {{ $value }}
     {{- end }}
   annotations:
-{{ toYaml .Values.ingress.annotations | indent 4 }}
+    {{- $omittedAnnotations := omit .Values.ingress.annotations "alb.ingress.kubernetes.io/tags" }}
+{{ toYaml $omittedAnnotations | indent 4 }}    
     {{- if and (not (index .Values.ingress.annotations "alb.ingress.kubernetes.io/ssl-policy")) (index .Values.ingress.annotations "alb.ingress.kubernetes.io/load-balancer-name") (index .Values.ingress.annotations "alb.ingress.kubernetes.io/certificate-arn") }}
     alb.ingress.kubernetes.io/ssl-policy: "ELBSecurityPolicy-TLS13-1-2-2021-06"
     {{- end }}
     {{- if eq (index .Values.ingress.annotations "kubernetes.io/ingress.class") "alb" }}
     {{- if not (index .Values.ingress.annotations "alb.ingress.kubernetes.io/tags") }}
     alb.ingress.kubernetes.io/tags: {{ printf "businessid=%s" .Values.businessid | quote }}
+    {{- else }}
+    {{- $tags := index .Values.ingress.annotations "alb.ingress.kubernetes.io/tags" }}
+    {{- if not (regexMatch "businessid=[^,]+" $tags) }}
+    {{- $newTags := printf "%s,businessid=%s" $tags .Values.businessid | quote }}
+    alb.ingress.kubernetes.io/tags: {{ $newTags }}
+    {{- else }}
+    alb.ingress.kubernetes.io/tags: {{ $tags }}
+    {{- end }}  
     {{- end }}
     {{- end }}
 spec:
diff --git a/simple/tests/ingress_test.yaml b/simple/tests/ingress_test.yaml
index 989cdc7..967cf3a 100644
--- a/simple/tests/ingress_test.yaml
+++ b/simple/tests/ingress_test.yaml
@@ -35,6 +35,21 @@ tests:
           content:
             kubernetes.io/ingress.class: alb
             alb.ingress.kubernetes.io/tags: businessid=00456
+  
+  - it: should keep original alb.ingress.kubernetes.io/tags from values for multiple ingresses
+    values:
+      - ./values/simple/ingress_alb_multiple.yaml
+    set:
+      ingress:
+        nginx:
+          annotations:
+            alb.ingress.kubernetes.io/tags: businessid=00456
+    asserts:
+    - isSubset:
+        path: metadata.annotations
+        content:
+          alb.ingress.kubernetes.io/tags: businessid=00456
+          kubernetes.io/ingress.class: alb
 
   - it: should not render alb with a cost tag annotation
     values:
@@ -45,3 +60,32 @@ tests:
           content:
             kubernetes.io/ingress.class: alb
             alb.ingress.kubernetes.io/tags: businessid=00123
+
+  - it: should append businessid tag annotation when other tags exist
+    values:
+      - ./values/simple/ingress_alb.yaml
+    set:
+      ingress:
+        annotations:
+          alb.ingress.kubernetes.io/tags: Environment=production
+    asserts:
+      - isSubset:
+          path: metadata.annotations
+          content:
+            kubernetes.io/ingress.class: alb
+            alb.ingress.kubernetes.io/tags: Environment=production,businessid=00123
+
+  - it: should append businessid tag annotation when other tags exist for multiple ingresses
+    values:
+      - ./values/simple/ingress_alb_multiple.yaml
+    set:
+      ingress:
+        nginx:
+          annotations:
+            alb.ingress.kubernetes.io/tags: Environment=production
+    asserts:
+    - isSubset:
+        path: metadata.annotations
+        content:
+          alb.ingress.kubernetes.io/tags: Environment=production,businessid=00123
+          kubernetes.io/ingress.class: alb
\ No newline at end of file