Rule – 55, Certificate of registration

55. If the ³²[Chief Commissioner or Commissioner] is satisfied that the applicant fulfils the requirements of clause (v) or clause (vi) ³⁴[or clause (via)] or clause (vii) of sub-section (2) of section 288 and has been practising before income-tax authorities for not less than one year on the date of the application, the ³⁵[Chief Commissioner or Commissioner] shall enter the name of the applicant in the register and issue him a certificate of registration in Form No. 40.

Reference: www.incometaxindia.gov.in