Section 4 of the Principal Act is amended as follows:

(a) by omitting the definition of human embryo from subsection (1) and substituting the following definition:

human embryo means a discrete entity that has arisen from either –

(a) the first mitotic division when fertilisation of a human oocyte by a human sperm is complete; or

(b) any other process that initiates organised development of a biological entity with a human nuclear genome or altered human nuclear genome that has the potential to develop up to, or beyond, the stage at which the primitive streak appears –

and has not yet reached 8 weeks of development since the first mitotic division;

(b) by inserting the following definition after the definition of hybrid embryo in subsection (1) :

licence means a licence issued under section 21 of the Research Involving Human Embryos Act 2002 of the Commonwealth;

(c) by omitting the definition of prohibited embryo from subsection (1) ;

(d) by inserting the following subsections after subsection (4) :

(5)  A reference in this Act to an embryo (including a human embryo) is a reference to a living embryo.

(6)  A reference in this Act to a human egg is a reference to a human oocyte.

(7)  A reference in this Act to a human embryo does not include a reference to –

(a) a hybrid embryo; or

(b) a human embryonic stem cell line.