Opening Balances with Trade Payables/Receivables

Hi

I am new to Sage Accounting and trying to open balances for the GL accounts.

I can go in each account and choose a date and amount for each GL account I have created.

However, how do I open balances for Trade Payables/Receivables being System accounts?

I understand they get increased/decreased automatically by Suppliers/Customers transactions during Sales/Purchases.

Do I need to create a new Trade Payables/Receivables GL Account to be able to open previous year's balances please?

Thx