3.—(1) In the case of activities in list III of Annex IV, the activity in question must have been previously pursued by the beneficiary—
(a)for three consecutive years, either on a self-employed basis or as manager of an undertaking, or
(b)for two consecutive years, either on a self-employed basis or as a manager of an undertaking, if the beneficiary can prove that they have received previous training for the activity in question, as attested by a certificate recognised by the home State or judged by a competent professional association to be fully valid, or
(c)for two consecutive years, either on a self-employed basis or as a manager of an undertaking, if the beneficiary can prove that they have pursued the activity in question on an employed basis for at least three years, or
(d)for three consecutive years, on an employed basis, if the beneficiary can prove that they have received previous training for the activity in question, as attested by a certificate recognised by the home State or judged by a competent professional association to be fully valid.
(2) In cases (a) and (c), the activity must not have finished more than 10 years before the date on which the complete application was submitted by the person concerned to the competent authority.