As for me, I would never say that Sandman doesn’t know his stuff. He has been here long enough to see all the crap and usually gives sound advice. This time though, I think he was wrong on his original advise and subsequent advice. The op asked:
The tax office is helpful only for ANNUAL taxes and not the other monthly deductions. Immigration is no help in this area either. CLA may be able to kindly ask the employer to break it down for their employee but, as far as I know, there is no requirement that they provide a monthly paystub nor a timelione to do so. However, if the employer won’t even do this for an employee who has kindly asked for it, I again state that this is not a place that I would be working for much longer. Actually, I think that the CLA may be able to give the OP some advice on how much labor insurance should be being deducted and probably some indication on the health insurance monthly deduction. With the OPs bank statement of direct deposit, it should be an easy calculation. At least it should be enough for the OP to challenge the employer - at which time he may not have a choice about looking for a new job.
And Sandman, if I owe you an apology, it is here given.
Armchair Bullshitter