Should only be a serious problem if a battery with a particular type of gun is using ammo from different sources.  In this case it's up to the customer (Pakistan) to specify markings that are standard (this is what other countries do, eg NATO nations that buy ammo from Israel or Sweden).  Of course this will increase the cost.  In the wider logistic system it's probably viable to overmark external packaging when it enters the national logistic chain.

Absolutely right but here we often have to interchange troops from one equipment to the other (eco constraints). And a separate conversion training cycle has to be arranged. I just wanted to get rid of this all and was thinking that if we bring all the country's ammunition which we have into one fixed frame of marking and charge numbering system for all ...