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 ba40c2f08..7a6aa227c 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 8283f0e67..8e9ecfbd9 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 0ece4b8ed..fecac5e90 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 16a951ac1..92c239f03 100644
--- a/src/registrar/templates/emails/submission_confirmation.txt
+++ b/src/registrar/templates/emails/submission_confirmation.txt
@@ -35,4 +35,6 @@ 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 %}