It depends on the individual circumstances. I never sent bank statements or payslips to my parents-in-law, since they are more than able to finance their travels. If you are the one paying for the trip, then yes, you will need to show proof of your income. In the invitation letters I sent, I only e...

My sister in Jamaica has requested I send them documents for her and her grown up daughters visa application for vacation. Covering letter advising they are to stay with me and I am supporting them while they are here for a month is easy. However I am uneasy with the request for bank statement as it...