Laws, courts and authorities
certificate of competence
In short and in plain language
A certificate of competence shows that someone has the knowledge needed for a job.
You need one to use plant sprays at work. An official office gives it out.
You also have to go on courses now and then.
Definition
A certificate of competence shows that a person has the expertise needed for a particular activity. For the professional use of plant protection products, it is issued by the competent authority, and regular refresher training is required.