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| I have downloaded the ZH software and got a fright when the rate and tax amount calculated is way higher than what was withheld according to my annual salary certificate  . How reliable is that software? (The answer I'm hoping for is 'not very'  ) | |
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If you live in City of Zurich, then the taxes will be higher, as Zurich has the highest tax rate in the Canton. Recall tax at source uses the Cantonal average. Also tax at souce is calculated monthly. So if there were any low months, then this will be taxed at a much higher rate based on your annual income.