The jurisprudential views belonging to the proponents or opponents of the late payment penalty should be viewed. In 1982, the sources of emulation objected to the late payment penalty, and it was announced illicit and removed from the state laws; in the meantime, banks faced with an abundance of late payments, as they didn't received the penalty of late payment, and as a result, a consideration [fee] substituted the late payment penalty.

In 1983, Imam Khomeini, Ayatollah Golpaygani, Ayatollah Marashi Najafi were the sources of emulation; the legislation was given to them and verifying it, they said that the Act is according to the Islamic Jurisprudence, especially the Imamiah Jurisprudence (Shiite Jurisprudence), and six month later, it was given to the government and the central bank in order to prepare the regulations and instructions appertaining to this law, and it was implemented unanimously in 1984.

Shahid (Martyr) Ayatollah Sadr provided a non-usury model of banking, the model requires the bank to draw up the deposit contracts based on a contract giving the bank the power to act as the attorney of the people instead of being based on borrowing/lending with interests; moreover the said contract regards the borrower who pays the interest as a depositor.

Rasa – Ali Larijani met with Ayatollah Nouri-Hamadani in Qom and the two sides exchanged views on issues of mutual concern like relations with the US and banking system.