SPR126 procurement segregation of duties MANDY ZOE MWCHAN KHLEE LILYLEUNG LILYLAU FELIX LUCAS BARRY WINNIE KRYSTAL SHARON ALEX SUNNY EMILY JEVON ALICE CRYSTAL CO or designated officers should agree on the before tenders are invited COs ensure that public involved in exercises alert to actual potential and perceived conflict of interest sufficient safeguards place avoid manage such situations