This tab provides general information on a bank receipt: bank accounts of parties of the transaction, basis document, amount, applicable taxes, date, and so forth.
If you are manually creating this receipt, it is recommended that you first select From Supplier in the Transaction Type field—this enables the fields appropriate for this transaction type.
On this tab, the following fields are required: Supplier, Cash Flow Item, Amount, Entity, and Bank Account. 
The "Bank Receipt (create)" form. The Main tab
...
<Auto> in the Number field indicates that a number to this document will be assigned automatically when you save the document.
The Date field is populated automatically with the current business date. You can select another date, if necessary.
...
In the Amount field, specify the amount received from the supplier. You can apply this amount against supplier invoices on the Payment Details tab. By default, the receipt is in the currency of the bank bank account to which this amount is received. Information on the currency exchange rate with respect to the national currency is shown in the field to the right of the field.
In the Taxation field, select one of the following options:
...
In the Entity field, select an entity of your company for which this document is being prepared. The Entity field is available if the Multi-Company Accounting option is selected on: Administration > Settings> General Settings. You can select your personal default entity to appear in documents; for this, refer to Personal Settings. If you have not selected your default entity, the entity defined first will be used as the system default value.
The Basis field is auto-populated if this bank receipt was created on the basis of a document of one of the following types: Debit Note, or Input VAT Transaction. If needed, you can manually select the basis document from the list of supplier documents (for this, click Show all from the drop-down list). Once the basis document is selected, the data is copied to this bank receipt. If, after you edited the document, you want to cancel the edits, click the Fill in button – the details from the basis document will be copied to the receipt.
The Bank Account field shows the default bank account of the selected entity, however, you can select another bank account of the entity if needed.
In the Comment field you can specify some additional information.
The toolbar buttons
After entering some data on the tab, click the Save button to save your work. After filling out all the tabs, click Post to post the document without closing it or Post and close to post and close the document.
You can register a Tax Credit Note Received for this bank receipt—first, you need to save the bank receipt—in one of the following ways:
...