Although FIFA had initially balked at making half-price tickets to 2014 World Cup games available for people over 65 -- sparking anger in Brazilian political circles -- it has relented.

Brazilian law states that people over 65 are entitled to half-price tickets but FIFA secretary general Jerome Valcke said that half-price tickets could not be made available to other specific groups, such as "blood donors, students or former players."

In addition to clashing over the sale of cheap tickets to students, in line with Brazilian law, FIFA and the Brazilian government are also in dispute over the sale of alcohol in stadiums, which the hosts want prohibited.

"We must work at ways of making tickets available at preferential prices for all Brazilians who cannot afford to pay large sums," Valcke said. "That seems fairer to me than only taking into account certain sections of the population."