Else, some-where down the line, your attempt to buy an up-date, eg from P_12 to Poser'23, will go horribly, expensively wrong: 'No such name, no such number...'

( 'Accounts & Purchasing' are funny like that: I managed to crash the payment system of a 3D site because it said to enter my name exactly as on my debit card. A  'Bobby Tables' failure ensued, as their 'front end' could not parse the multiple dots of my initials. And a big UK cell-phone company did exactly the same, to their profound chagrin... )