3. Any licence shall comprise a restriction for the purposes of obtaining a public contract if it is issued or renewed(1) during a 2-year period beginning on(a) the expiry date of the licence already held by a person who becomes subject to paragraph 1 or 2 of section 1; or
(b) the day when an applicant for such a licence who becomes subject to paragraph 1 or 2 of section 1;
(2) during a 1-year period beginning on(a) the expiry date of the licence already held by a person who becomes subject to paragraph 3 or 4 of section 1; or
(b) the day when an applicant for such a licence becomes subject to paragraph 3 or 4 of section 1.
For the purposes of subparagraph 2 of the first paragraph, a person shall become subject to paragraph 3 or 4 of section 1, 45 days after the date on which he was last found guilty of the offences provided for in those paragraphs.