Article 1.4: Copyright does not apply to ideas, methods, processes, systems, methods, concepts, discoveries, principles, facts.
Article 1.6: Copyright does not apply to:
works of folk art whose authors are unknown, as well as
laws, judicial decisions, other official documents,
official symbols, (flags, emblems, orders, etc.), approved by state bodies and organizations,
political speech and speech spoken in litigation, the day news reports having the character of a simple press of information, and transferred to radio, television, published in other media information.
PD-PMRPublic domain in Transnistria//en.wikipedia.org/wiki/Template:PD-PMR-exempt