Jeans Promotion and Voucher

Q: Levis jeans are running a promotion that if you take any pair of old jeans and give it in to any Levis store. they will give the jeans away to charity and will give you a R200 voucher to spend on your next purchase from their store. Is this permissible according to Shariah?

A: To participate in this promotion and collect the gift voucher is totally permissible.

Mufti Siraj Desai