Whilst when they measure or weigh for them, give less.
3
Tafseer
'Abdullāh Ibn 'Abbās / Muḥammad al-Fīrūzabādī
تفسير : (but if they measure unto them) but when they measure for others (or weigh for them, they cause them loss) they decrease the measurement or the weight and behave very badly; it is also said that the above means: severe punishment on that day is unto the defrauders in the prayer, the poor-due, fasting and other acts of worship.
Jalāl al-Dīn al-Maḥallī
تفسير : but [who] when they measure for them or weigh for them, they cause [them] loss, they diminish [for them] the measure or the weight.
