The no-confidence motion levels 14 accusations against the PM, 12 of them over the Central Bank bond fraud, said JO MP Shehan Semasinghe.
He said more signatures would be collected in the coming week.
Ex-president Mahinda Rajapaksa is among those who are yet to sign the no-confidence motion.
SB, Susil & Dayasiri busy seeking SLFP’s support
Ministers S.B. Dissanayake, Susil Premajayantha and Dayasiri Jayasekara are working to obtain support of the SLFP politicians in the government for the no-confidence motion.
Only state minister T.B. Ekanayake from the SLFP has signed the document.