How do we add the new required "About Us" section to our existing emails that already exist in our accounts?

Hi Zoho Campaigns team,

Could you please give us instructions on how to add the following to the emails that already exist in our account?

Sender Information
Every email that you send using Zoho Campaigns, shall contain an 'about us' section that has the following information:

Name and address in case the sender is an individual.
If the sender is an entity, in addition to name and address, the name of the authority with which the company is registered along with the business registration/identification number.
VAT or other identification number for tax purposes.
Contact information, at least a valid telephone number as well as an email address.
Name and contact information (phone number/email address) of a representative for reporting complaints.

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