Different designations - Same company

I have received ITA. I have mentioned two designations which I held in my previous company at the time of creation of my express entry profile. The previous company issued a letter listing out my last held position at the company along with responsibilities. For the other position, I tried getting the promotion letter but have been unsuccessful however I have been able to get salary slips which lists the designation. Is this sufficient? Is there anything else I can do?

you can attach salary slips and attach a letter explaining that your designation changed which is seen in the salary slips for the specified months. Always good to attach justification letters for clarity.

Thank you ArvindKonar…