International agreements shall secure validity and protection in foreign countries for German intellectual, artistic, and technical creations.
Freedom of association with the object of guaranteeing and improving conditions of work and of employment shall be secured to all individuals and all professions. All compacts or measures which seek to limit or obstruct this freedom are illegal.
Article 160.
Any person occupying the position of employee or worker is entitled to have such free time as is necessary to avail himself of his rights as citizen, and, in so far as serious injury is not thereby done to his employment, such free time as is necessary to discharge honorary public offices conferred on him. His claims to compensation shall be determined by legislation.
Article 161.
The Realm, with the controlling co-operation of insured persons, shall create a comprehensive system of insurance for the maintenance of health and efficiency, for the protection of motherhood, and for provision against old age, infirmity, and change of circumstances.
Article 162.
The Realm shall support the principle of international regulation of the legal rights of workers, with the object of securing a uniform minimum of social rights to the working classes of mankind.
Article 163.