Kumaratunge it is learnt has already discussed the matter with the SLFP and UPFA Leader, President Maithripala Sirisena.
Among the 36 MPs named by the former President are those who are pro-Mahinda Rajapaksa.
Parliamentarians who are facing corruption charges are also among those who will not be given nominations by the party at the next election.
Kumaratunge and Sirisena are expected to finalize the list of MPs who should not be granted nominations by the party.
It is learnt that once the list is prepared, these MPs will be sent charge sheets before the calling on the next general election.