If the product that the customer needs is not present in my shop?

Question #345:

A brother sells building material and he have list of products from the factory. If a customer wants a product from this list which is not present in shop then he seeks that from factory and then sell to the customer. What is the ruling of this?

Answer:

If a customer comes to you to buy a product from you, if it is available with you then give him and if it is not available with you then tell him to go and buy from other shops.

Answered by: Shaykh ʿAbdul Ghanī al-ʿUmarī

Translated by: ʿAbdun-Nūr al-Hindī

س- أخ يبيع مواد البناء. وعنده قائمة الأشياء من المصنع وإذا الربون يريد شيئا منها الذي ليس عنده هو يطلب من المصنع ويبيع للزبون. ما حكم هذا ؟