diff --git a/src/registrar/templates/emails/domain_invitation.txt b/src/registrar/templates/emails/domain_invitation.txt
index 8896bd85f..e426ae6ef 100644
--- a/src/registrar/templates/emails/domain_invitation.txt
+++ b/src/registrar/templates/emails/domain_invitation.txt
@@ -37,4 +37,6 @@ THANK YOU
 The .gov team
 Contact us: <https://get.gov/contact/>
 Learn about .gov <https://get.gov>
+
+The .gov registry is a part of the Cybersecurity and Infrastructure Security Agency (CISA) <http://cisa.gov/>
 {% endautoescape %}
diff --git a/src/registrar/templates/emails/domain_request_withdrawn.txt b/src/registrar/templates/emails/domain_request_withdrawn.txt
index 7860efe41..5ef429541 100644
--- a/src/registrar/templates/emails/domain_request_withdrawn.txt
+++ b/src/registrar/templates/emails/domain_request_withdrawn.txt
@@ -25,4 +25,6 @@ THANK YOU
 The .gov team
 Contact us: <https://get.gov/contact/>
 Learn about .gov <https://get.gov>
+
+The .gov registry is a part of the Cybersecurity and Infrastructure Security Agency (CISA) <http://cisa.gov/>
 {% endautoescape %}
diff --git a/src/registrar/templates/emails/status_change_approved.txt b/src/registrar/templates/emails/status_change_approved.txt
index 7d97049c1..cab88d973 100644
--- a/src/registrar/templates/emails/status_change_approved.txt
+++ b/src/registrar/templates/emails/status_change_approved.txt
@@ -48,4 +48,6 @@ THANK YOU
 The .gov team
 Contact us: <https://get.gov/contact/>
 Learn about .gov <https://get.gov>
+
+The .gov registry is a part of the Cybersecurity and Infrastructure Security Agency (CISA) <http://cisa.gov/>
 {% endautoescape %}
diff --git a/src/registrar/templates/emails/status_change_rejected.txt b/src/registrar/templates/emails/status_change_rejected.txt
index 4573bc137..4febb4c64 100644
--- a/src/registrar/templates/emails/status_change_rejected.txt
+++ b/src/registrar/templates/emails/status_change_rejected.txt
@@ -78,4 +78,6 @@ THANK YOU
 The .gov team
 Contact us: <https://get.gov/contact/>
 Learn about .gov <https://get.gov>
+
+The .gov registry is a part of the Cybersecurity and Infrastructure Security Agency (CISA) <http://cisa.gov/>
 {% endautoescape %}
diff --git a/src/registrar/templates/emails/submission_confirmation.txt b/src/registrar/templates/emails/submission_confirmation.txt
index 1009efc02..c0ae3bb8f 100644
--- a/src/registrar/templates/emails/submission_confirmation.txt
+++ b/src/registrar/templates/emails/submission_confirmation.txt
@@ -37,4 +37,6 @@ THANK YOU
 The .gov team
 Contact us: <https://get.gov/contact/>
 Learn about .gov <https://get.gov>
+
+The .gov registry is a part of the Cybersecurity and Infrastructure Security Agency (CISA) <http://cisa.gov/>
 {% endautoescape %}
diff --git a/src/registrar/templates/emails/transition_domain_invitation.txt b/src/registrar/templates/emails/transition_domain_invitation.txt
index 53fd7f9ee..bdce7d107 100644
--- a/src/registrar/templates/emails/transition_domain_invitation.txt
+++ b/src/registrar/templates/emails/transition_domain_invitation.txt
@@ -59,4 +59,6 @@ The .gov team
 .Gov blog <https://get.gov/updates/> 
 Domain management <https://manage.get.gov>
 Get.gov <https://get.gov>
+
+The .gov registry is a part of the Cybersecurity and Infrastructure Security Agency (CISA) <http://cisa.gov/>
 {% endautoescape %}