[Your name]
[Your street address]
[City, State ZIP]
[Your email address]
[Date]
Unimed (Unimed do Brasil - Confederação Nacional das Cooperativas Médicas)
Alameda Santos, 1827
Conjuntos 22/82/91/92/101/102/122/151/152, Cerqueira César
01419909 São Paulo
Brazil
To whom it may concern,
I am cancelling my account with Unimed (Unimed do Brasil - Confederação Nacional das Cooperativas Médicas), account or member number [number], with effect from [date or "immediately"]. Please end every add-on and linked plan on this account at the same time.
Please stop all future charges to my payment method, remove my stored payment details, and send written confirmation of the cancellation and its effective date to [your email address].
Sincerely,
[Signature]
[Your printed name]