On 21 December 2006, the Mexican Federal Congress approved the economic package for fiscal year 2007. This article discusses a summary of the modifications affecting financial transactions, including tax incentives, disclosure of information on tax debt to credit-rating agencies, rulings from tax authorities, application of tax losses, income tax rates, transparent business trusts, interest reclassified as deemed dividend, denial of interest deduction under thin capitalization rules, collection of insured amounts, income derived through a trusts, interest paid to foreign banks, real estate trusts, asset tax law, and new income tax treaties.