Well, as many proofs we can show to Officer, it will make the claim stronger. Pay slips, tax returns, contract etc. Keep remember, if documents are with strong proofs, chances of verification are less, that means speedy process
Bellow are must requirements that we need to submit...
WORK EXPERIENCE
For you and your spouse or common-law partner: original and up-to-date letters of reference from your past and current employers. Letters must be written on company letterhead and show the company’s full address, telephone and fax numbers, and be stamped with the company’s official seal.
Note: If the letters are not in English or French, submit a certified English or French translation along with certified photocopies of the letters.
Letters must include all of the following information:
•the specific period of your employment with the company
•the positions you have held during the period of employment and the time spent in each position
•your main responsibilities in each position
•your total annual salary plus benefits
•the signature of your immediate supervisor or the personnel officer of the company
•a business card of the person signing
If you cannot provide a reference from your current employer, provide a written explanation.