IFTEOS License ( previously known as D&O Trade License ) is a certificate issued by local self-government entities like Panchayat, Municipality, and Corporations in Kerala. This certificate is issued to start a business under the local limits of the concerned Local Self Government (LSGD). The IFTE & OS License expansion is "Issue of License to Factories, Trades, Entrepreneurship Activities, and Other Services". This license is mandatory for every enterprise running a business in Kerala.Â