Total registered unemployed persons (sum of monthly numbers) per job offer (job offers reported during the year). The indicator is calculated according to the formula: I = persons registered as unemployed (total monthly numbers) / job offers. Persons registered as unemployed (sum of monthly numbers) – the sum of registered unemployment levels for each month of the year. The number of unemployed persons does not include persons undergoing, inter alia, training, traineeship, vocational preparation of adults, performing socially useful work and persons referred to employment agencies under the commissioning of activation activities. Job offers – the sum of reported job offers during the year. Unemployed persons – persons who are over 18 years of age, who have not reached the retirement age, are not employed and do not perform other paid work, are able and available to take up full-time employment and are registered with the powiat labour office competent for the place of residence (permanent or temporary) and seek employment or other paid work. Job offer – one or more vacant posts for employment or other paid work in a specific occupation or specialisation reported by the employer and accepted for implementation by the powiat labour office in order to obtain assistance in finding a suitable employee. The notification is free from requirements that violate the principle of equal treatment in employment within the meaning of the labour law.