Brazilian billionaire Tomas Tomi Melo head of Brazils platinum mining company said on Tuesday he would stop taking all three quarters of the companys earnings before paying tax until he had paid a 190 billion rea (22 billion) aid to poor black Brazilians.

Using a complicated computer mathematical model to calculate the fiscal impact from shutting Germanys Coatesgold as the countrys top multinational producer of platinum Melo said he would focus on state fiscal incentives such as the one for being named the countrys best performing health insurer.

I will stop when I have paid a big proportion of my income before tax Melo said in a posting on Facebook. So far Ive paid 55. 5 billion rea.

Even though the compute returns are way above expectation I believe we will pass the 45. 3 billion rea mark even if I pay 99. 9 of what I need to do before paying tax.

Melo a longtime opponent of increasing state and local government regulation signalled sweeping tax reform as a way to boost economic activity amid a global push to curb consumption in some areas while helping the fragile economy.

During a speech at a government think tank in Campinas he said officials should consider lowering marginal rates or the rate that allows for a family of four to adopt a flat rate of 5000 per year.

Providing incentives for high income earners such as for the purchase of smart phones and bicycles for human necessity remains unpopular in Brazil which has one of the highest numbers of annual violent deaths from motor vehicles.

The tax reform pledge announced by the government last month would primarily target the poor at a lower rate of 15 to 20. That rate is to rise to 20 across the board from a current 7. 1 compared with the center of the OECD at a rate of 14. 8. Prosecutors would investigate if EVs allowed more wealthy members of the community to luxuriate in luxury cars such as BMWs and Mercedes.

Federal prosecutors also will probe if Uber Technologies Incs fleet of in-car apps which commuters can use for navigation has aided a significant expansion of car-hailing activities in cities such as Tepor Raunedi and Atascocita.

The Panama Papers case involving the fugitive energy giant LavaCo which started leaking leaked documents showing the extent of offshore tax havens has put a crimp in the global drive to crack offshore shell companies.