The aim of this thesis is to deal with the notice of termination due to organizational reasons under Section 52(a) through (c) of the Labour code. The topic of the thesis does not consist only in organizational changes and a notice of termination linked to them, its purpose is to describe the whole picture of the process of giving the notice to an employee and details which an employer must remember to keep the notice valid. The thesis is composed of ten chapters not counting the Introduction describing the motive for choosing the topic of the thesis and the aims of the thesis and the Conclusion containing the brief evaluation of the legal regulation. Chapter One deals with the labour-law relations, their concept and the distinctions betwee...