GST tax return preparer enrolment form requires professional and identity details and a declaration with digital signature. Application form for enrolment as a Tax Return Preparer under the Goods and Services Tax Act requires specifying application type, enrolling authority, state, jurisdiction and enrolment period; selecting an enrolment category (e.g., chartered accountant, company secretary, cost accountant, lawyer, retired revenue employee or other); and providing mandatory applicant particulars (name, DOB, gender, PAN, contact, professional address), qualifying degree and membership details. The form concludes with a verification and declaration and signature (including e-sign/DSC).