Spokesman for Leader of Sadrist Movement Moqtada al-Sadr, Salah Al-Abedi said Sadr will not join the opposition.
Abedi stressed Sadr will not also be a member of a government that is based on sectarian quota.
He explained that Sadr urges political parties to abandon the previous methods of forming governments and adopt a new approach.
In addition, Abedi underscored that some political parties have agreed with Sadr over his 40 conditions for choosing the next prime minister.
Last week, Sadr has set 40 conditions which the candidate for the post of Iraqi prime minister should be characterized with.
Sadr's conditions included that the candidate should be independent and not affiliated with a particular party, as well as not being a member of parliament.
The Sadrist Movement's leader underlined that the candidate should not have a dual citizenship and not be suspected of financial corruption.
In addition, he stressed the parties should not to interfere in the work of the next prime minister and to nominate five ministers of technocrats, of which the next prime minister will be chosen from them.
Sadr demanded that the candidate should not run in future elections.