8. Section 19 of the Principal Act is amended by inserting before paragraph (b) the following paragraphs:
“(a) under subsection 3B (1) or section 3C, that a service contract was entered into with an intention either directly or indirectly of avoiding or evading the payment of tax;
(ab) under paragraph 3B (2) (d);
(ac) under section 5A, disregarding an agreement, transaction or arrangement;”.