Employment succession in case of a business transfer depends on the contents of the contract, in which the rights and obligations are stipulated.

– If there is a clause in the contract referring to the issue of employment succession
between the transferor and transferee company, and that not all employees will be
transferred, then it is possible that part of the employment relationship will be
terminated.
However, such a clause has the notation of a dismissal, and in that case, a justifiable
reason is needed for a dismissal as stipulated in Art. 30 of the Labor Standards Act.

Thus, business transfer means a transfer of the whole personal or material system or organization by maintaining the same identity with a consistent goal.