All boom sprayers over 3m in width (mounted and trailed), blast sprayers and train sprayers over five years of age needed to have been tested and certified by November 2016. This was one of a number of measures introduced under the EU Sustainable Use of Pesticides Directive (SUD).

Last year, however, a European Commission audit on the implementation of the SUD found Ireland was not fully compliant with the EU requirement to have all pesticide application equipment inspected.