Section 115 of the Constitution of the Islamic Republic of Iran, states the requirements for the presidential candidacy. Top management abilities, contriving and solution finding, being a politician and a religious person are some of those requirements. As the assessor of presidential adequacy, the Guardian Council of Iran stated its own definitions and standards of these four requirements in a legislation, which is legislated in order to implement section 10, part 5 of the Iran’ s public policies on elections. This article analyzes these definitions by a descriptive-prescriptive method, not only to illuminate the legislation, clarify and solve its difficulties, but also to elucidate standards, used by the Guardian Council in a process of investigation of verisimilitude of the four requirements in presidential candidates and to lighten the workload the Parliament of Iran must do to legislate in this field. By elucidating and analyzing the four definitions, this article solves the difficulties and demonstrates that only two jargons used in the definitions require to be clarified by the Guardian Council interpretation or the Parliament legislation.