You can just make a simple table on a word document, and declare the remaining work experience that didn't fit in the 3 slots on the form, upload and send that. Complete the form that declares you and your partner are in a commonlaw relationship.Before you apply, make sure you need a visa to enter Canada. What Are Invitation Letters Used For? How Should the Invitation Letter be Submitted? I have attached an employment letter confirming my position, duration of employment, and granting of leave for the intended travel period. A copy of a letter from the employer in Canada. This letter must state that the company will hire you to work in Canada for a specific period of time. If you cannot obtain a letter, you should discuss with your lawyer what alternative forms of evidence you can provide USCIS. Employees may contact IER anonymously for information regarding employment discrimination and employee rights and responsibilities.