Computer services including programming, computer software design, installation, maintenance and modification; computer systems analysis; software development, consultancy and support systems; technical consultancy and advisory services; advisory and support services in relation to codification; appraisals in relation to codification; codification management services; consultancy services in relation to codification, codification organisation and codification management; codification efficiency consulting and analysis services; organisational, planning and development services in relation to codification; project advice services in relation to codification and provision of information in relation to codification