1. The plaintiff's claim is dismissed.

2. The costs of lawsuit shall be borne by the Plaintiff.

1. Basic facts

A. The Defendant is a federation established by the bus transport business association established under the Passenger Transport Service Act in order to achieve its common purpose under the same Act. The Plaintiff is a person who was employed by the Defendant on September 14, 1992 and was retired from office on July 31, 2019.

B. The Defendant’s employees of Grade 1 in Article 12 of the Wage Regulations shall apply the wage peak system only to the basic salary for two years (for a year, 90%, 2 year, 80%, and 70% payment) and for three years (for a year, 1 year, 90%, 2 year, 80%, and 3 year, 3 year, 70% payment). “The wage peak system (hereinafter “the instant wage peak system”) was implemented, but the said provision (hereinafter “instant provision”) was applied only to the ordinary wage for two years immediately preceding the retirement age (for a year, 1 year, 75%, 2 year, 70% payment).

"The amendment was made".

C. 1) Pursuant to the instant provision, the Defendant paid the Plaintiff wages calculated by applying 75% of the wage peak system in the first year (one year period from the day immediately preceding the date of retirement to the date of retirement), and the second year (the period from the day immediately preceding the date of retirement to the date of retirement) in the second year (the period from the day immediately preceding the date of retirement to the date of retirement) with the payment rate of 70%. In addition, the Defendant paid the Plaintiff an interim settlement amount of retirement allowances calculated by applying the wage peak system as the average wage before and after the application of the wage peak system, and paid the Plaintiff interim settlement amount of retirement allowances calculated by applying the reduced wage to each year

Article 14 (Principles of Promotion and Promotion) (2) of the Personnel Management Regulations shall be based on the date of appointment and promotion based on salary class 1 per year.

Provided, That for the period to which the wage peak system applies, a promotion and wage of the relevant employee shall be applied.

Article 28 (Regular Retirement) (1) In cases where an employee's annual age reaches the retirement age, he/she shall issue an order to retire as of the end of the following month.

(2) The retirement age of employees shall be full.