(1) The Commissioner-General may issue a Taxpayer Identification Number to an applicant within twenty-one days of receiving an application.

(2) A Taxpayer Identification Number is issued when the Commissioner- General serves the person with a taxpayer identification number certificate.

(3) A Taxpayer Identification Number issued under this Act is not transferrable.

(4) A person may have only one Taxpayer Identification Number at a time and it shall be used for purposes of all the tax laws.

(5) The Commissioner-General shall not issue a Taxpayer Identification Number to a person unless the Commissioner-General is satisfied

(a) about the true identity of the applicant; and

(b) that the applicant does not have an existing Taxpayer Identification Number.