Mandatory work‑from‑home arrangements
6.—(1)  If an employer has knowledge —
(a)about the happening of a trigger event relating to any employee of the employer; and
(b)that the employee in sub‑paragraph (a) has been at work in a workplace, at any time during the look‑back period for the trigger event, in connection with any trade, business, profession or undertaking carried on by the employer,
then despite regulation 13D of the COVID‑19 (Temporary Measures) (Control Order) Regulations 2020 (G.N. No. S 254/2020), the employer must not cause or permit, during the relevant period any of the following to be at work at that workplace, in connection with any trade, business, profession or undertaking carried on by the employer:
(c)any employee of the employer and who is a relevant worker;
(d)any contractor who is engaged by the employer in the capacity as principal and is a relevant worker;
(e)any direct or indirect subcontractor who is engaged by a contractor in sub‑paragraph (d) and is a relevant worker;
(f)any employee who is employed by a contractor or subcontractor in sub‑paragraph (d) or (e) and is a relevant worker.
(2)  If a principal has knowledge —
(a)about the happening of a trigger event relating to any of the following individuals who are at work under the direction of the principal as to the manner in which the work is carried out:
(i)any contractor engaged by the principal;
(ii)any direct or indirect subcontractor engaged by a contractor in sub‑paragraph (i);
(iii)any employee employed by a contractor or subcontractor in sub‑paragraph (i) or (ii); and
(b)that the individual mentioned in sub‑paragraph (a) has been at work in a workplace, at any time during the look‑back period for the trigger event, in connection with any trade, business, profession or undertaking carried on by the principal,
then despite regulation 13D of the COVID‑19 (Temporary Measures) (Control Order) Regulations 2020, the principal must not cause or permit, during the relevant period any of the following to be at work at that workplace, in connection with any trade, business, profession or undertaking carried on by the principal:
(c)any employee of the principal as employer and who is a relevant worker;
(d)any contractor who is engaged by the principal and is a relevant worker;
(e)any direct or indirect subcontractor who is engaged by a contractor in sub‑paragraph (d) and is a relevant worker;
(f)any employee who is employed by a contractor or subcontractor in sub‑paragraph (d) or (e) and is a relevant worker,
to be at work at that workplace, in connection with any trade, business, profession or undertaking carried on by the principal.
(3)  A trigger event happens in relation to an employee of an employer or an individual mentioned in regulation 5(1) connected with a principal, when —
(a)the employee or individual (as the case may be) tests positive for SARS‑CoV‑2 after undergoing a PCR test or PCR tests with an approved test provider and that result is not an atypical finding for SARS‑CoV‑2; or
(b)an order under —
(i)section 15 or 17 of the Act; or
(ii)regulation 3(1) of the Infectious Diseases (COVID‑19 — Stay Orders) Regulations 2020 (G.N. No. S 182/2020),
is made against that employee or individual, as the case may be.
(4)  For the purposes of paragraphs (1) and (2), the look‑back period for a trigger event is a period of 7 days before the trigger event, ending on the day the trigger event happens.
(5)  To avoid doubt, a look‑back period may consist of any time falling before 8 September 2021.