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carinka said:
What will be the worst scenario if the goverment find out somebody works unauthorized work? Can thay find out if somebody works for cash or check and cash it in money mart? And will that effect you on permanent residen application? Pleas more data and information!! Thanks

What do you mean un authrized work? as in having no papers (visa/work permit) and working, or having the papers but working for cash, not using SIN or paying taxes?
 
Worst case - you'll be deported. Yes, they could find out... What if your employer (legal or not) or someone who knows you reports you?

If you lie about the illegal work in your PR application, you could be banned from Canada for five years for misrepresentation.
 
First you are working illegally by doing that and therefore if detected you will be deported and forbidden from returning to Canada for a couple of years. Additionally, you will have this above your head even after you stop working as the crime doesn't stop when you stop working, you are still found in breach of the act and therefore deported.

They don't disclose how they investigate but both CRA and immigration board do with different methods. They can be informed about the practice of your employer or you, if you get a ticket the police can contact immigration canada and an investigation can be started....

Additionally you don't pay your taxes and therefore you are liable and committing a crime.
Penalty for tax evasion (what you are talking about) is a fine of up to $25k and up to one year in jail.
CRA has a department looking for people who try to evade taxes.
 
Can't find the article right now but a guy was deported recently after he did cash in hand renovations in lieu of rent or something similar.

Think it was in Calgary.

Anyway, he got busted from a post on Facebook (can't remember if he was dobbed in or what).

They do monitor this stuff, why would you risk it?
 
Of course some people will get away with it, but they were likely also fraudulent on their applications too. Just lucky that they got away with it.

Again, why risk it?