A man who hands food to a boatman and holds him liable for any shortfall

Ibrahim said: If a man hands grain over to a boatman, he is liable for whatever falls short.

Ata said, regarding a man who hires carriers to take food to a land by measure, on terms that any excess is theirs and any shortfall is on them: If the carriers agree to this and acknowledge it, there is no harm.

Ibn Sirin (may Allah have mercy on him) said, regarding a man who hires a boatman on condition that any shortfall is on him and any excess is his: The excess belongs to the owner of the food and the shortfall is on the boatman.

Al-Hasan was asked about a boatman who carries grain. He said: The excess is his and the shortfall is on him.