> ## Documentation Index
> Fetch the complete documentation index at: https://docs.megaport.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Updating Your Billing Information

> This help topic describes how to update your billing details in the Megaport Portal.

export const Image = ({src, alt = '', caption, width, height, shadow}) => {
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export const Link = ({href, children}) => {
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You can update billing information, such as the Billing Contact email address or Purchase Order (PO) number.

1. Visit the <Link href="https://portal.megaport.com">Megaport Portal</Link> and log in.

2. Choose Billing > Billing Markets.

3. Locate the market to update and click **Edit Market**.
   <Image src="/images/finance/edit-market.png" alt="Edit Market" shadow={true} width={130} />
   Alternatively, for quick updates, you can edit the Billing Contact, Billing Email, or PO number directly from the **Billing Markets** page using the edit (pencil) icon.

4. Update any of the billing information for the selected market.

   <Image src="/images/finance/edit-market-fields.png" alt="Edit Market" shadow={true} width={650} />

   <Note>
     * For the Purchase Order Number to appear on an invoice, you must update it before the end of the billing period.
     * To change your billing market **Company Legal Name** and **Company Registration No** details, contact your Account Manager or Customer Success Manager.
   </Note>

5. Click **Save**.