He should collect the funds of the war booty gained without fighting...

He should collect the funds of the war booty gained without fighting, zakat, land taxes (kharaj) on that which the Islamic law has made obligatory whether according to a certain text in the Qur'an and the Sunna or according to deriving religious decisions without any injustice and tyranny. He should estimate soldiers' pay and what each person deserves of the public treasury without any extravagance and stinginess; he should pay it to them in a fixed time without any delay or advance.

[1] Al-Muqaddama, p. 151. He should supervise the public affairs by himself, not…