The initiative would compensate companies that issue debentures with reduction of the bank's spread.
According to the Mexican president, around 97% of the campaign promises he made, including a raft of infrastructure projects, were fulfilled during his six-year term that ends December 1.
Claudia Sheinbaum also presented the names of the designated heads of the metro, electric transport, and BRT systems.
The measure, proposed by congress, entails barring companies for five years from public contracts if they abandon works.
The lower house voted in favor of investigating the alleged construction problems for the light rail system's third line that were denounced by Jalisco governor-elect Enrique Alfaro.