"Show cause notices will be issued to the general secretaries of BJP and BJD for violation of poll code which is in force for the second phase elections in the state," Deputy Chief Electoral Officer Hariballav Mishra told reporters here.
"The Commission will seek replies from both the parties for violating section 126 (B) of Representation of People's Act," he said.
He contended that though parties could not release campaign material in the electronics media, there was no such bar on releasing advertisements in print.
The BJD had also recently drawn the attention of the the EC alleging that the BJP had violated model code of conduct by publishing advertisements after the campaign ended for the first phase of polls.