(1) The Principal Act is amended -

(a) in section 142A -

(i) in subsection (1) (a) (amended by section 6 of the Act of 2009), by substituting "25" for "22",

(ii) in subsection (4), by inserting the following paragraph after paragraph (aa) (inserted by section 21 of the Act of 2010):

"(ab) the period of unemployment commenced on or before 14 January 2014 and the claimant was a person -

(i) who, on or before that date, attained the age of 22 years and had not attained the age of 25 years, and

(ii) to whom, on or before 14 January 2014, section 142B applied,",

(iii) in subsection (4), by deleting paragraph (b), and

(iv) in subsection (4) (d) (amended by section 6 of the Act of 2009), by substituting "25" for "22",

and