Robuta

https://www.health.gov.au/topics/medicare/compliance/voluntary-acknowledgement-of-incorrect-payments?language=ps
If you think you've incorrectly claimed a Medicare or practice incentive payment, you must let us know as soon as you can. You can do this by submitting a...
australian governmentvoluntaryacknowledgementincorrectpayments
https://www.gov.uk/guidance/voluntary-payments-donations-to-government
Find out how to make a voluntary contribution to government.
voluntary paymentsgov ukdonationsgovernment
https://www.brown.edu/news/2025-12-03/community-contributions
The University made $11.1 million in direct voluntary payments to the city, and its community contributions for K-12 education, nonprofit organizations and...
voluntary paymentscommunity contributionsbrownprovidedmillion