Trust-based scheme implementation requires shareholder approval, trustee eligibility, and limits on secondary acquisitions and transfers. Trust-based implementation of employee share schemes must be decided at shareholder approval and, if changed, require fresh special-resolution approval; trusts are mandatory for schemes involving secondary acquisition or gifts. A single trust may manage multiple schemes but must keep separate records, file the trust deed with recognised exchanges, observe trustee eligibility and voting prohibitions, restrict transactions to delivery-based secondary acquisition subject to annual and aggregate ceilings, maintain minimum holding periods, follow specified appropriation timelines, permit limited off-market or secondary market sales for prescribed purposes, and comply with disclosure and insider-trading obligations.