(1) Section 1086 of the Principal Act is amended -

(a) in subsection (2A), by substituting "Subject to subsection (2D), for the purposes of subsection (2)," for "For the purposes of subsection (2),",

(b) in subsection (2B) -

(i) in paragraph (a), by substituting "a specified sum or an adjusted specified sum (within the meaning of subsection (2C) or (2D)), as the case may be, under subsection (2)(c), including as applied by subsection (2C) or (2D)" for "a specified sum under subsection (2)(c)",

(ii) in paragraph (b), by substituting "a specified sum or an adjusted specified sum (within the meaning of subsection (2C) or (2D)), as the case may be, under subsection (2)(d), including as applied by subsection (2C) or (2D)" for "a specified sum under subsection (2)(d)", and

(iii) by substituting "and the person fails to pay the specified sum or the adjusted specified sum, as the case may be," for "and the person fails to pay the specified sum",

(c) by inserting the following after subsection (2B):

"(2C)

(a) In this subsection -