Brazil split payment tax reform threatens corporate cash flows
Brazil's shift to real-time VAT collection under its historic tax reform will eliminate the traditional tax float, squeezing corporate working capital.

A quiet revolution in how Brazil collects taxes is sending a shiver through corporate finance departments across the country. Under the nation's landmark consumption tax reform, the government is preparing to implement a real-time digital collection mechanism known as "split payment". By automatically diverting tax revenues at the exact moment a transaction is settled, the system threatens to drain billions of reais in short-term cash that companies have historically used to fund their daily operations.
Historically, businesses operating in Brazil have enjoyed a generous cushion known as the "tax float". Under the current, notoriously complex system, a company collects the full invoice amount from a customer and holds that cash for 30 to 90 days before finally remitting the taxes to the government. This temporary liquidity acts as an interest-free, short-term loan that businesses routinely deploy as working capital. The new split payment mechanism, established by Complementary Law 214/2025, completely dismantles this practice.
When the system goes live, the dual Value-Added Tax (VAT)—consisting of the federal Contribution on Goods and Services (CBS) and the subnational Tax on Goods and Services (IBS)—will be separated instantly during electronic payment processing. The tax portion will bypass the seller’s bank account entirely, routing directly to the Brazilian Federal Revenue Service and the IBS Management Committee. For many companies, losing this float means they will have to turn to expensive bank credit to cover immediate operational costs, such as payroll and supplier invoices.
The Finance Ministry, led by Minister Fernando Haddad under President Luiz Inácio Lula da Silva, strongly defends the mechanism. Government officials argue that real-time segregation is the most effective weapon against Brazil's chronic tax evasion and delinquency. By securing the tax at the point of sale, the government hopes to close the tax gap, which in turn could help lower the overall projected VAT rate—currently estimated to reach between 26.5% and 28%.
However, the looming cash squeeze has turned the split payment system into a major flashpoint in the presidential campaign ahead of the October 25, 2026, runoff election. Opposition candidate Flávio Bolsonaro, who finished first in the opening round of voting on October 4, has pledged to review the tax reform and has targeted the split payment system for elimination. His economic adviser, Daniella Marques, has publicly warned that the mechanism will severely damage businesses' working capital and has promised that a new administration would seek to dismantle it.
The transition is already underway, though the government has offered a gradual timeline to help businesses adapt. Integration tests between payment service providers and the public platform began in October 2026. Voluntary adoption for business-to-business (B2B) transactions is scheduled to start in 2027, with the Federal Revenue Service aiming to make the split payment system fully mandatory by 2028. Whether this timeline holds, or if the system is scrapped entirely, now hinges directly on the outcome of the fast-approaching presidential vote.
What it touches
The sudden elimination of the tax float will heavily expose sectors with high transaction volumes and tight margins, such as retail, food services, and logistics. Because these companies rely heavily on daily cash flow to manage inventory and payroll, they will likely face immediate working capital deficits. This cash squeeze is expected to drive up demand for short-term corporate credit, directly impacting commercial banks and payment processors, which must also fund massive IT upgrades to comply with the real-time split payment infrastructure.