Question Summary:
Doubtful Wealth

Question Detail:

Without going deeply into the matter, Say for example someone has doubtful money, he received benefits from a kuffaar government, he does not now, but he finds the money doubtful and that someone has calculated what has been received from them in money and that person wishes to safeguard himself from doubtful money and its about whether that someone obtained the benefits through deceptive means or that someone did not meet the true requirements for he benefits.
Now, that person feels wanting to disperse that money and relieve himself of this doubtful money, but is giving it back to the kuffaar government lawful, when they have troops in Muslim lands? If not, what is is the best way to disperse of this money and importantly what should be the exact intention.
please provide a detailed answer about he intention and please give an example of the intention. 

Answer :

In the Name of Allah, the Most Gracious, the Most Merciful.
As-salamu ‘alaykum wa-rahmatullahi wa-barakatuh. 
It is the responsibility of a believer to ensure that his wealth his earned and received through Halaal and permissible avenues.
In any event, if a doubt arises regarding its permissibility, such wealth should be disposed of by giving the amount in Sadaqah to the poor and needy even if they are Muslims without the intention of reward.^[1]
In order for us to issue a specific ruling regarding the wealth in reference, please clarify your query:

And Allah Ta’ala Knows Best
Ismaeel Bassa
Student Darul Iftaa
Durban South Africa
Checked and Approved by,
Mufti Ebrahim Desai.
www.daruliftaa.net