written opinion
3.Basis " labor law " mix the 31st times original labor department " carry out about carrying out the opinion of a certain number of problems " (labor department is sent [1995] 309) , and general office of original labor department " remove about laborer the reply of labor contract concerned issue " (fatigue does hair [1995] 324) , laborer removes labor contract, ought to shift to an earlier date 30 days to inform choose and employ persons of the unit with written form.

