Thank you all.
In fact we stopped guessing and asked for a clarification. And this clause was then removed entirely.
But the question still remains.. Hopefully there will be no similar cases in the future

Hi, colleagues. There is a brainteaser for you regarding a condition describing how the goods have to be packed. LC reads: "Goods must be packed in new strong PP bags of about 45 kgs or 50 kgs each net and packing list to certify the same". Now there is a question how to interpret the word...