(Z)-isomer is listed in PIC since it has been identified as a member of the chemical group:
Phosphamidon (soluble liquid formulations of the substance that exceed 1 000 g active ingredient/l)
Commission Regulation (EC) No 2076/2002 of 20 November 2002 extending the time period referred to in Article 8(2) of Council Directive 91/414/EEC and concerning the non-inclusion of certain active substances in Annex I to that Directive and the withdrawal of authorisations for plant protection products containing these substances (Text with EEA relevance)
Official Journal L 319 , 23/11/2002 P. 0003 - 0011
COMMISSION REGULATION (EC) No 703/2001 of 6 April 2001 layingdown the active substances of plant protection products to be assessed in the second stage of the work programme referred to in Article 8(2) of Council Directive 91/414/EEC and revising the list of Member States designated as rapporteurs for those substances
OJ L 98 7.4.2001, p. 6-13