Blacking out SIN/ Tax number

[canadaoioioi]

I am including tax documents in my application. Do I have to black out the SIN number/ tax number? Could anyone provide a link with information on this?

 

[iSaidGoodDay]

I am including tax documents in my application. Do I have to black out the SIN number/ tax number? Could anyone provide a link with information on this?

Don't black out SIN number/tax number.