According to Article 229 of the Labor Code, if the reasons preventing the use of annual leave arose before the start of the leave, a new period for using the leave is established by agreement between the employee and the employer. If such reasons arise during the leave period, the leave is extended by the corresponding number of days or, by agreement between the employee and the employer, the unused part of the leave is postponed to another period.

According to this rule, if you are involved in advanced training during the vacation period, the vacation period is extended for the duration of the advanced training period. In this case, your salary will be covered during your professional development.

In accordance with Article 367 of the Labor Code, retraining and advanced training of employees may be carried out on a voluntary basis for the employee and the employer, or on a mandatory basis if the requirements for mandatory retraining and advanced training of employees are provided for by labor legislation and other legal acts on labor, the employment contract.

According to paragraph 130 of the Regulation on the Procedure for Organizing the System of Continuous Professional Development of Public Education Employees, approved by Appendix No. 1 to the Resolution of the Cabinet of Ministers dated January 17, 2022, No. 25, students sent to specialized educational organizations for advanced training on a part-time basis retain their position and average salary at their main place of work during their studies.

Also, in accordance with Article 370 of this Code, if an employee is sent for retraining or advanced training, which is mandatory for both the employer and the employee, the employer is obliged to retain the employee's place of work (position) and average salary for the period of retraining or advanced training.

Accordingly, if you are involved in advanced training on a part-time basis, then your salary should be retained and paid to you.