diff --git a/content/billing/managing-your-github-billing-settings/adding-a-sales-tax-certificate.md b/content/billing/managing-your-github-billing-settings/adding-a-sales-tax-certificate.md
index 0f5e184bd0..2862682c41 100644
--- a/content/billing/managing-your-github-billing-settings/adding-a-sales-tax-certificate.md
+++ b/content/billing/managing-your-github-billing-settings/adding-a-sales-tax-certificate.md
@@ -1,6 +1,6 @@
 ---
 title: Adding a sales tax certificate
-intro: If you're a customer in the United States and exempt from sales tax, you can upload a certificate.
+intro: If you're a customer in the United States with a {% data variables.product.company_short %} Customer Agreement and you're exempt from sales tax, you can upload a certificate to ensure the correct sales tax amount is calculated.
 versions:
   feature: us-sales-tax
 type: how_to
@@ -22,13 +22,20 @@ Your account is marked as tax exempt, while your certificate is reviewed. If you
 
 ## Adding a sales tax exemption certificate to your organization account
 
-You can upload a sales tax exemption certificate to your organization account.
+You can upload a sales tax exemption certificate to your organization account if your account uses the {% data variables.product.company_short %} Customer Agreement.
+
+{% ifversion fpt or ghec %}
+
+> [!NOTE]
+> This option is not available for accounts that use the {% data variables.product.company_short %} Standard Terms of Service. For information about updating your organization, see "[AUTOTITLE](/organizations/managing-organization-settings/upgrading-to-the-github-customer-agreement)."
+
+{% endif %}
 
 {% data reusables.organizations.billing-settings %}
 1. At the top of the page, click **Payment information**.
 
    ![Screenshot of the "Billing Summary" section of the settings page. A link, labeled "Payment information," is highlighted with an orange outline.](/assets/images/help/settings/payment-info-link.png)
-
+{% data reusables.billing.verify-address %}
 {% data reusables.billing.sales-tax-certificate-upload %}
 {% data reusables.billing.remove-sales-tax-certificate %}
 
@@ -36,7 +43,7 @@ You can upload a sales tax exemption certificate to your organization account.
 
 ## Adding a sales tax exemption certificate to your enterprise account
 
-Enterprise owners and billing managers can upload a sales tax exemption certificate to an enterprise account.
+Enterprise owners and billing managers can upload a sales tax exemption certificate to an enterprise account if the account uses the {% data variables.product.company_short %} Customer Agreement.
 
 {% data reusables.enterprise-accounts.access-enterprise %}
 {% data reusables.enterprise-accounts.settings-tab %}
@@ -45,6 +52,7 @@ Enterprise owners and billing managers can upload a sales tax exemption certific
 
    ![Screenshot of the "Billing Summary" section of the settings page. A link, labeled "Payment information," is highlighted with an orange outline.](/assets/images/help/settings/payment-info-link.png)
 
+{% data reusables.billing.verify-address %}
 1. At the bottom of the page, in the "Sales Tax" section, click **Upload certificate**, and select the certificate file you want to upload.
 {% data reusables.billing.remove-sales-tax-certificate %}
 
diff --git a/data/reusables/billing/verify-address.md b/data/reusables/billing/verify-address.md
new file mode 100644
index 0000000000..a339992442
--- /dev/null
+++ b/data/reusables/billing/verify-address.md
@@ -0,0 +1 @@
+1. Review your "Billing information" and update any incorrect data. You must ensure that the address fields are correct and that the "City" and "Postal/Zip code" fields are accepted. If there is any missing information or any errors are reported, the option to upload a sales tax certificate is hidden.