The aim of this deliverable was to identify possible legislative and regulation obstacles, and opportunities for implementing transnational use of improved forest reproductive material (FRM) based on biological and economical drivers. The work of the deliverable has been organized under Task 4.5 of B4EST project and focused on identifying national or EU-level regulations, legislation, certifications, and levels of stakeholder acceptance, affecting the practical implementation of new deployment recommendations through two earlier surveys of stakeholders and experts at national and EU levels.