Through the EIZ, the Association publishes scales of fees for classes of work purposes in Model Forms of Agreement, copies of which are obtainable from the Secretariat of the Association. Generally, for a particular project fees are on a sliding scale. Alternatively, Consulting Engineers may be engaged on a Time basis. ACEZ approved rates apply and range depending on the standing and experience of the staff engaged. Additionally, fees may be charged for certain specialized services, details of which are given in the Model Forms of Agreement. The Consulting Engineer is also entitled to recover disbursements and expenses as agreed with the client. Reports, valuations, arbitration’s and advisory work are usually subject to a special agreement.