SHAFAQNA- Islamic laws on fasting according to the Fatwas of the Grand Ayatollah Sistani.
Alms Tax (Zakat): Miscellaneous rulings on Zakat Al-Fitrah
Ruling 2033: A person must give Zakat Al-fitrah with the intention of Qurbah – i.e. in humility to the Lord of the worlds – and he must make the intention of giving Fitrah at the time of giving it.
The full text of the Islamic Laws according to the Fatwas of the Grand Ayatollah Sistani is available in English here:
https://www.sistani.org/english/book/48/
In French:
https://www.sistani.org/french/book/55/
In Spanish:
[Video] Commentary of the Holy Quran 3:133