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Update on Re-reserving Employees in “Diia”: What Changed for Critically Important Enterprises
For critically important enterprises, a simplified extension of employee reservation has started working in “Diia”. The main change consists in the fact that in the presence of an active reservation, it is no longer necessary to first cancel the previous status and only then submit a new application. If the body that granted the enterprise the critically important status has not changed, and the employee’s reservation is still valid, the extension occurs seamlessly. According to the “Diia” portal, such an application is processed within 24 hours.
In fact, this concerns electronic re-reservation without an administrative pause between the previous and new status. This is important for employers, because previously the need to first cancel the active reservation created a risk of a temporary gap in processing. Now the “Extension of employee reservation” service allows avoiding this problem and maintaining the continuity of reservation for key specialists.
Legal entities and their separate subdivisions can use the service if they are included in the List of companies for the reservation of persons liable for military service on the “Diia” portal. The head, a signatory according to the Unified State Register (EDR), or an authorized person has the right to submit an application.
The procedure looks like this:
- authorization on the portal using an electronic signature,
- selection of the “Extension of employee reservation” service,
- verification of company data,
- adding employees,
- signing the application with a QES (Qualified Electronic Signature).
If the application is submitted by an authorized person, it must be signed by the head of the enterprise.
At the same time, the simplified mechanism does not work in all cases. “Diia” explicitly states that it is possible to re-reserve only those employees who have an active reservation under the previous decision on criticality, and only on the condition that the validity period of criticality has been extended.
If the reservation has already expired, the employee is not employed in this company, is absent from the Register of persons liable for military service, or the state body that determined the enterprise as critically important has changed, the usual reservation procedure applies, not an extension.
The legal basis for this update is the Cabinet of Ministers of Ukraine Resolution No. 76 dated 27.01.2023. In the current wording of the Reservation Procedure, paragraph 29 stipulates: for persons liable for military service who work at critically important enterprises or in critically important institutions, subject to confirmation of such status and an unexpired reservation period, reservation is carried out without taking into account the period specified in the first subparagraph of this paragraph. Thus, the new service in “Diia” does not create a new rule, but implements the mechanism already enshrined in the Procedure in a convenient electronic format.
As of March 2026, this update is a practical tool for businesses that have a confirmed critically important status. It reduces processing time, decreases the number of technical actions, and helps avoid situations where an employee’s reservation could “hang” due to unnecessary bureaucracy.
Legally, the key condition remains the invariability of the reservation grounds: the employee’s active status, the enterprise’s active criticality, and the absence of a change in the body that confirmed it.
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