How are Indian Oud (Ud Hindi), Mastic (Mistaka), Frankincense (Luban), Arab Gum (Ghira' Arabi), Tree Resin, and Musk defined in a forward sale?
Chapter on Guaranteed Salaf (Advance Payment) for a Specified Term
Al-Mughni
Book of Sales
Primary text
Indian Oud is defined by its country of origin and what it is known by. Mastic, frankincense, Arab gum, tree resin, musk, and all other permissible items for forward sale (Salaf) are defined by their differing characteristics.