Prescribed mode of service
4.—(1)  In these Regulations, a person (A) serves a document on another person (B) by the prescribed mode of service if —
(a)A sends the document to B’s last email address; or
(b)where A is for any reason unable to send the document in the manner described in sub‑paragraph (a) — A sends the document to B’s last postal address by prepaid registered post.
(2)  In this regulation —
“document” includes a form;
“last email address” means —
(a)an email address by which A corresponds with B on matters concerning the construction contract in question; or
(b)if there is no such email address, an email address which B represents to A or to the public as the email address to which communications to B may be sent;
“last postal address” means —
(a)the postal address designated by B for the purpose of receiving documents or communications under Part 10A of the Act or these Regulations; or
(b)if B has not designated a postal address under paragraph (a) — B’s ordinary address;
“ordinary address” means —
(a)in the case of a body corporate (including a limited liability partnership) or an unincorporated association —
(i)the body corporate’s or unincorporated association’s registered office, or principal office, in Singapore; or
(ii)in the absence of a registered office, or principal office, in Singapore, the body corporate’s or unincorporated association’s last known place of business in Singapore;
(b)in the case of an individual, the individual’s usual or last known place of residence or business in Singapore; or
(c)in the case of a partnership (other than a limited liability partnership), the partnership’s principal or last known place of business in Singapore.