Create README.md

Signed-off-by: jackBlankeT.MHE <151718823+Jackblanket847@users.noreply.github.com>

Directory/README.md

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+#  README
+
+---
+title: Adding a sales tax 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.
+redirect_from:
+  - /billing/managing-your-github-billing-settings/adding-a-sales-tax-certificate
+versions:
+  feature: us-sales-tax
+type: how_to
+topics:
+  - Organizations
+  - User account
+shortTitle: Add a sales tax certificate
+---
+
+{% data reusables.billing.us-sales-tax-note %} {% ifversion fpt or ghec %}For more information about updating your billing information, see "[AUTOTITLE](/billing/managing-your-github-billing-settings/adding-or-editing-a-payment-method)."{% endif %}
+
+If you're a {% data variables.product.company_short %} customer in the United States, you need to ensure that your account is set up to calculate sales tax correctly. If you're exempt from sales tax, you can upload a certificate to your account. The format of the certificate you upload must be one of the following:
+
+* JPEG (`.jpg`, `.jpeg`)
+* PNG (`.png`)
+* PDF (`.pdf`)
+
+Your account is marked as tax exempt while your certificate is reviewed. If your certificate is not approved, you will need to upload a new one.
+
+## Adding 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 %}
+
+{% ifversion ghec or ghes %}
+
+## 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 if the account uses the {% data variables.product.company_short %} Customer Agreement.
+
+{% data reusables.enterprise-accounts.access-enterprise %}
+{% data reusables.enterprise-accounts.settings-tab %}
+{% data reusables.enterprise-accounts.billing-tab %}
+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 %}
+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 %}
+
+{% endif %}