While claiming that Pakistan made policy mistakes, IMF Resident Representative in Pakistan Esther Perez on Thursday said strong policies are necessary for the successful implementation of the new loan programme. The IMF representative emphasized the need to create a better and more effective tax system while protecting the social sector. "The new IMF programme is designed to promote growth led by the private sector. In response to a question, the IMF representative said they have tried to assist Pakistan in every way possible. Perez said the tax system is crucial for any country.