(1) This Act shall apply to all businesses or workplaces in which not less than five employees are regularly employed: Provided, That this Act shall neither apply to any business or workplace in which only the employer's blood relatives living together are engaged, nor to servants hired for the employer's domestic works.
(2) With respect to a business or workplace in which not more than four employees are regularly employed, some provisions of this Act may apply as prescribed by Presidential Decree.
(3) In applying this Act, the method of calculating the number of employees regularly employed shall be prescribed by Presidential Decree. <Newly Inserted on Mar. 21, 2008>