COMMISSION DECISION of 23 March 2007 concerning the publication of the reference of the standard EN 71-1:2005 ‘Safety of Toys — Part 1: mechanical and physical properties’ regarding the technical requirements on hemispheric toys in accordance with Council Directive 88/378/EEC on the safety of toys (notified under document number C(2007) 1256) (Text with EEA relevance) (2007/184/EC)