Extending the PAN ambit would help check fake entities and keep a tab on illegal activities,Economic Times reports, quoting an unnamed government official. But that means even non-tax paying entities such as trusts and societies will have to apply for a PAN. Though the idea of an Aadhaar equivalent for corporates was first mooted a few years ago, it gained steam after Finance Minister Arun Jaitley talked about it in this year’s budget speech.