In terms of the Political Constitution of the United Mexican States and the General Law of Public Debt (Ley General de Deuda Pública), the Federal Government, through the Ministry of Finance and Public Credit (SHCP), is responsible for the Public Sector´s financial program under which public debt is handled. The legal framewok entitles the SHCP for hiring the Federal Government indebtedness, as well as for determining its legal and financial conditions.

The Public Credit Unit (PCU) is the Undersecretaries’ administrative branch authorized to negotiate, contract, subscribe titles and authorize indebtedness of the entibies of the Federal Public Administration - including the development banks - and to guarantee the financing of such entibies. The base for hiring credits for financing the public budget is the ceiling of debt approved by Congress. 

In addition the PCU pursues the mission of drafting,propose, implement, and evaluate policies, guidelines and programs to obtain resources in the money and capital market; as well as to manage the financing of international private sources and international institutions. Also, the PCU impels and executes actions in order to optimize the profile, structures and cost of public debt.