“…Accordingly, the employer is obliged by an appropriate act to determine the amount of compensation to which the worker is entitled due to the obligation of readiness. If we start from the fact that the time spent by the worker performing work at the invitation of the employer is considered as working time, then if the worker, for example, worked his shift according to the schedule of working hours, and then he had a standby duty after the regular working hours, and then during standby responded to the employer's invitation to perform work (e.g., emergency intervention) -the worker is entitled to a salary for his regular working time, remuneration at the time determined by the collective agreement or employment contract, and if, at the invitation of the employer, he performed the work, and the right to increased overtime pay (Čizmić, Cvitković & Klarić, 2017). 3…”