Section 8 of the Principal Act is amended -
(a) in subsections (3), (3A) and (9), with effect from 1 May 2006, by substituting "€27,500" for "€25,500" and by substituting "€55,000" for "€51,000" wherever it occurs, and
(b) in subsection (8) paragraph (a) by substituting "where it seems necessary or appropriate to them for the purpose of efficient and effective administration, including collection, of the tax" for "that it would be expedient in the interest of efficient administration of the tax".