This International Standard specifies the competencies that a scuba instructor has to have achieved in order for a training organization to award the scuba instructor qualification indicating that he has met or exceeded scuba instructor level 1 and specifies evaluation criteria of these competencies. It also specifies conditions under which training has to be provided, in addition to the general requirements for recreational diving service provision in accordance with ISO 24803. This International Standard applies to training and evaluation in recreational scuba diving.