11. Right to form and join trade unions (a) An indication of the legal or other provisions governing the right to join and form the trade union of one’s choice. If formal provisions exist, a description of how the right is ensured in practice; (b) Any restrictions which are placed upon the exercise of this right, with precise details of the legal provisions prescribing such restrictions. 12. Rights of trade unions to federate Legal or other provisions governing the right of trade unions to join national federations and confederations and the right of the latter to form and join international trade union organisations, if no formal provisions exist, description of how this right is ensured in practice. 13. (a) (b) 14. Right of trade unions to function freely Conditions under which trade unions may exercise their right to function freely; Any limitations to which this right may be subject. Right to strike Legal or other provisions governing or affecting the exercise of the right to strike; if no formal provisions exist, description of the position in practice in regard to this right. 15. Any special restrictions imposed upon the exercise of the trade union rights mentioned above by members of the armed forces, the police or the administration of the state. 16. Factors and difficulties affecting the degree of realisation of trade union rights in their various aspects, and progress achieved in this field. Article 16.2 – Right to Social Security 17. 18. 19. Principal laws, administrative regulations, collective agreements, court decisions and other types of arrangements relating to the social security system, including social insurance schemes. Main features of the schemes in force for each of the branches of social security listed below, indicating in particular, for each branch, the percentage of the population covered, the nature and level of benefits, and the method of financing the scheme: (a) Medical; (b) Cash sickness benefits; (c) Maternity benefits; (d) Invalidity benefits; (e) Old-age benefits; (f) Survivors’ benefits; (g) Employment injury benefits; (h) Unemployment benefits; (i) Family benefits. Factors and difficulties affecting the degree of realisation of the right to social security; progress achieved as regards, in particular, the covering of new fields of social security; the extension of existing schemes to further groups of the population and improvements in the nature or level of benefits. Periodic Reports 20. States Parties are invited to report on the measures that they have adopted and the progress made in achieving the observance of the rights recognised and to indicate any factors and difficulties affecting the degree of fulfilment of their obligations under these articles. 6