Notification of the Ministry of Labour and Social Affairs of the Slovak Socialist Republic to amend and supplement Notification No. 134 of 1975 of the Ministry of Labour and Social Affairs of the Slovak Socialist Republic to provide for the application of the Social Security Act [of 12 Nov. 1975: LS 1975 - Cz. 3] and the Act [of 19 Nov. 1975] of the Slovak National Council respecting the competence of the authorities of the Slovak Socialist Republic in matters of social security.