The ex-husband was called up for mobilization in January, he is a debtor for ...?

The military officer (Territorial center of recruitment and social support) cannot not know the address, because he keeps records of military personnel.

However, if for some reason it happened that the TCC SP does not know the address, then let the executor contact the relevant military unit with a request.

According to Clause 3 Part 3 of Article 28 of the Law of Ukraine "On Enforcement Proceedings", the executor during enforcement proceedings has the right for the purpose of protecting the interests of the debt collector to receive free of charge from state bodies, enterprises, institutions, organizations, regardless of the form of ownership, officials, parties and other participants in executive proceedings, explanations, references and other information, including confidential, are necessary for the implementation of executive actions.