How do I reopen a closed Google Cloud billing account?

To reopen a closed Google Cloud billing account, follow these steps:

1. Sign in: Access the Manage billing accounts page in the Google Cloud console.

2. Filter: In the filter_list Filter row, clear the Status: Active filter. This will allow you to see closed billing accounts.

3. Select: Click the name of the Cloud Billing account you wish to reopen.

4. Account Management: In the Billing management section of the Billing navigation menu, click Account Management. The specific options or buttons to reopen the account should be available on this page.

In summary, the process involves navigating to the account management page of the closed billing account within the Google Cloud console and then finding the option to reopen it.