In the currency sale operation in 1C, the settlement account must be in tenge — a foreign currency account (for example, a ruble account) will not work here and cannot be selected. This is not a program error, but a feature of the operation itself.
Why this happens
When selling currency, the actual conversion of foreign currency into tenge takes place directly in the fields of the document itself (tables) — the amount in currency, the exchange rate, and the amount in tenge are indicated there. Therefore, the settlement account in the document must support KZT specifically, not a foreign currency. The system will not allow issuing an invoice in rubles or another currency in this case, because the document's logic is designed so that the total amount from the sale is received in tenge.
If you need to reflect a foreign currency account specifically (for example, a ruble account), it is worth checking whether the correct document is being used — the document intended for the currency sale operation works with a tenge account, not with the counterparty's foreign currency agreement.
Frequently Asked Questions
Is it possible to sell currency through a foreign currency account at all?
No, the actual receipt from the currency sale goes to a tenge account — this is built into the document's logic, and there is no need to change this, as it is the correct behavior of the program.
So where is the amount in currency and the exchange rate indicated?
Right in the tabular part of the sales document — there 1C automatically calculates the amount in tenge based on the specified exchange rate.