What specifications must be included when contracting for arrows (Nashab and Nabl)?
Chapter on Guaranteed Salaf (Advance Payment) for a Specified Term
Al-Mughni
Book of Sales
Primary text
If the contract concerns arrows (*nashab* or *nabl*), they must be defined by the type/genus, length or shortness, fineness or thickness, color, arrowhead type, and feathering.