Man Lā Yaḥḍuruh al-Faqīh
Hadith 4183949 - وَ رَوَى وَهْبُ بْنُ وَهْبٍ عَنْ جَعْفَرِ بْنِ مُحَمَّدٍ عَنْ أَبِيهِ عَلَيْهِ اَلسَّلاَمُ قَالَ قَالَ عَلِيٌّ عَلَيْهِ اَلسَّلاَمُ : "لاَ بَأْسَ أَنْ يُسْلَفَ مَا يُوزَنُ فِيمَا يُكَالُ وَ مَا يُكَالُ فِيمَا يُوزَنُ".
Hadith.3949 - Wahb ibn Wahb narrated from Ja'far ibn Muhammad from his father (as):
Imam Ali ibn Abi Talib (as) said: "There is no harm in advancing payment for what is weighed in exchange for what is measured, and for what is measured in exchange for what is weighed."