What will be the effective date of registration?

Where the application for registration has been submitted within thirty days from the date on which the person becomes liable to registration, the effective date of registration shall be the date on which he became liable for registration.
Where an application for registration has been submitted by the applicant after thirty days from the date of his becoming liable to registration, the effective date of registration shall be the date of grant of registration.
In case of a person taking registration voluntarily while being within the threshold exemption limit for paying tax, the effective date of registration shall be the date of order of registration.