Can I claim car expenses which I paid out of pocket but claimed as an expense with my employer and was paid back?

 So to clarify, these are not travel expenses to/from work. These are for work trips outside of the office. My employer pays me back for any expenses claimed at a $/km rate. However since I'm not on the company vehicle program, they are not willing to provide T2200s. I have records of all expenses claimed.

Self-employed

If you are an employee, any employment expense claim must be supported by a T2200.

You cannot claim any kind of expense for which you were reimbursed.