3.— Section 2 (as amended by the Act of 2007) of the Principal Act is amended in subsection (1)—

(a) by inserting the following definitions:

“ ‘Act of 2001’ means the Children Act 2001;

‘interim special care order’ has the meaning assigned to it by Part IVA (as amended by the Child Care (Amendment) Act 2011);

‘special care’ has the meaning assigned to it by Part IVA (as amended by the Child Care (Amendment) Act 2011);

‘special care order’ has the meaning assigned to it by Part IVA (as amended by the Child Care (Amendment) Act 2011);

‘special care unit’ has the meaning assigned to it by Part IVA (as amended by the Child Care (Amendment) Act 2011).”;

and

(b) in the definition of “children’s residential centre” (inserted by the Act of 2007), by inserting the following paragraph after paragraph (d) of that definition:

“(da) a special care unit,”.