Government Regulation amending Government Decree No. 564 / 2006 Coll., on the remuneration of employees in public services and administration, as amended, and repealing Government Decree No. 447 / 2000 Coll., on the method of regulating the amount of appropriations spent on salaries and on remuneration of staff remunerated under the Law on remuneration and remuneration for on-call in budget and in certain other organisations and bodies