This document summarizes the actual problems Latvia faces with legislation regarding social insurance for workers who are posted or work in multiple EU/EEA countries. It provides statistics on applications for A1/E101 forms that certify which country's social insurance rules apply. The main problems outlined are slow information exchange between countries, employers misunderstanding posting rules, not informing of changes, and sometimes ignoring worker rights. Issues are also discussed around verifying self-employed persons' work and contributions. The document poses questions about applying certain regulations and procedures for terminating certificates.