Regulation 4(a) and (b) of the Non-Domestic Rating (Unoccupied Property) (Wales) Regulations 2008 (“the 2008 Regulations”) excludes from liability for non-domestic rates under section 45 of the Local Government Finance Act 1988 any hereditaments which have been continuously unoccupied for three months or less, or in the case of a qualifying industrial hereditament, six months or less.