Alms Tax: Unspent Zakat of a Stranded Traveller

Practical Laws of Islam as per the teachings of Ayatullah Sistani

Ruling 1956

If a stranded traveller has received zakat and after reaching his home town finds that some of the zakat has remained unspent, in the event that he cannot return it to the benefactor, he must return it to a fully qualified jurist stating it is zakat.

-Ayatullah Sistani, Practical Laws of Islam, Alms Tax (Zakat)