To begin with, all listed companies would be allowed to trade on the platform. "But, we are not averse to unlisted companies coming out with bonds issue for which they have to file an offer document," Rout said.
NSE brokers, who are not members of BSE, can also participate in trading of corporate bonds on a "nominal" charge, he said.
Finance Ministry official Shashank Saksena suggested there should be one regulator, investor protection and market integrity and enforcement of bankruptcy laws in the corporate bond market.