Council Directive of 29 May 1990 on the minimum safety and health requirements for work with display screen equipment (fifth individual Directive within the meaning of Article 16 (1) of Directive 89/391/EEC) (90/270/EEC)

3. OPERATOR/COMPUTER INTERFACE U.K.

In designing, selecting, commissioning and modifying software, and in designing tasks using display screen equipment, the employer shall take into account the following principles:

(a)

software must be suitable for the task;

(b)

software must be easy to use and, where appropriate, adaptable to the operator’s level of knowledge or experience; no quantitative or qualitative checking facility may be used without the knowledge of the workers;

(c)

systems must provide feedback to workers on their performance;

(d)

systems must display information in a format and at a pace which are adapted to operators;

(e)

the principles of software ergonomics must be applied, in particular to human data processing.