Application for cancellation of registration shall be submitted electronically in Form ______.

Form GST REG 16 is the application form for cancellation of registration under the Goods and Services Tax (GST) Act, 2017. It is an electronic form that can be submitted on the GST portal. The form requires the applicant to provide details of their registration, the reason for cancellation, and the details of any closing stock or liability. The other forms listed are not used for cancellation of registration. Form GST REG 06 is used for intimation of change in business details, Form GST REG 10 is used for intimation of voluntary registration, and Form GST REG 29 is used for surrender of registration.