The Book of Financial Transactions

Sunan al-Nasa'i

"The Messenger of Allah said: 'Whoever buys food, let him not sell it until he has checked its weight.""

Sunan al-Nasa'i

"Makhrafah Al-Abdi and I brought some cloth from Hajar, and the Messenger of Allah came to us while we were in Mina where there w a man who weighed (goods) in return for payment. He bought some trousers from us,...

Sunan al-Nasa'i

"I heard Abu Safwan say: 'I bought a pair of trousers from the Messenger of Allah before the Hijrah, and he weighed it for me and allowed me."'

Sunan al-Nasa'i

"The Messenger of Allah said: "Volume is to be measured according to the system of the people of Al-Madinah, and weight is to be measured according to the system of the peole of Makkah."' (Sahih) This is the wording of...

Sunan al-Nasa'i

'The Messenger of Allah paid off what he owed me, and gave me more."

Sunan al-Nasa'i

"I came to the Prophet and said: 'Wait, I want to ask you something. I sell camels in Al-Baqi with a price set in Dinars but I accept Dirhams instead.' He said: 'There is nothing wrong with it if you...

Sunan al-Nasa'i

"When the Prophet (ﷺ) came to Al-Madinah, he called for a scale and weighed (something) for me and gave me more."

Sunan al-Nasa'i

he disliked it (this transaction) if it was done on credit. (Da 'if )

Sunan al-Nasa'i

he did not see anything wrong with it even if it was on credit.

Sunan al-Nasa'i

This is what I have found on this topic.