Write to a client to explain the conditions under which you will accept a return of goods.
To: {Company Name}
{Address}
{City, State, Zip}
Dear {Recipient},
It is not necessarily the policy of {company name} to authorize the return of goods. But we are willing to make an exception in this case, because {reason company is accepting the return}.
We thank you for cooperation in this matter. Please contact us if you have questions or concerns.
Sincerely,
{Sender}