Any association registered for at least three years, with its seat and activity in the Municipality of Piran, can become a member of the Union. It must have a resolution from its highest governing body to join, and complete the following steps:
- submit a written membership application
- sign the accession declaration
- review the statute and other governing documents
- pay the membership fee for the current year (€100)
Membership is approved by the Union’s Executive Board at its first meeting after receiving the signed accession declaration.