Changes made by 2001/520/EC: Commission Decision of 9 July 2001 concerning the non-inclusion of parathion in Annex I to Council Directive 91/414/EEC and the withdrawal of authorisations for plant protection products containing this active substance (notified under document number C(2001) 1772)
EU Decision 2001/520
No changes made by 2001/520/EC: Commission Decision of 9 July 2001 concerning the non-inclusion of parathion in Annex I to Council Directive 91/414/EEC and the withdrawal of authorisations for plant protection products containing this active substance (notified under document number C(2001) 1772) are recorded.
From legislation.gov.uk's record of changes, the official one: see it there.