If one person gives money to another to do Hajj on his behalf because he is unable to do Hajj himself, or so that he can do Hajj on behalf of someone who is deceased, that is valid, if the proxy has already done Hajj for himself, and he may spend this money on doing Hajj on his behalf, and keep what is left. But if he gives him money to do Hajj and tells him to give back what is left, then he should spend on what he needs and return the rest to him.
And Allaah is the Source of strength. May Allaah send blessings and peace upon our Prophet Muhammad and his family and companions. End quote.
Standing Committee for Academic Research and Issuing Fatwas
Shaykh ‘Abd al-‘Azeez ibn Baaz, Shaykh ‘Abd al-Razzaaq ‘Afeefi, Shaykh ‘Abd-Allaah ibn Qa’ood.