Create invoices only for unlinked interest calculations
PANTHEON
The responsible person creates interest invoices for customers and assigns the calculated interest to an existing invoice from the previous period. In practice, it may happen that a customer does not have a service invoice in the current month but is late with payments of previously issued invoices, so only an interest invoice needs to be created. Below is an example of the interest calculation and invoice creation process.
In menu Goods | Issue | Document opens the document type 3000 - Sale and selects the button
(New record). Enters customer EMENDO, sole proprietor, dates and all required data as shown bellow:

Next, they start preparation of interest calculation. First, they create a document or documents for interest calculations in the document type Interest From Customers.
Next, they collect candidates and calculate interest.

We must confirm the interest calculation(s) by clicking on button
(OK) and status changes into Confirmed.
We prepare an example for the calculation of late interest for the unpaid receivable from EMENDO, sole proprietor, which we will connect to the regular monthly invoice:

By clicking the Confirm button, we get a new tab that allows us to link the interest calculation with the issued invoice.

On tab Interest <>Invoices we link calculated interests to existing invoices. In this step of linking documents, we connect the interest calculations with the issued invoices. In our case, we will link the interest calculation we previously created with the issued invoice 25-3000-000003.

We check the interest calculation and in the Invoice No. column, we select the appropriate issued invoice we want to connect and click the button
(Connect).
In this step, they still want to Create invoices for calculated interests for customer Datalab Ltd. and MAGISTRA, but they don't have an existing invoice for assigning positions. This is how they the candidates in tab Calculation:

EMENDO, sole proprietor, yet has already created invoice for interest calculation.
By right-click, the option Unmark Linked Interest Calculations is available and they will unmark EMENDO, sole proprietor, as candidate for creating invoice:

This is how they now see the candidates:

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Hint
By selecting the option Unmark linked interest calculations the value in column Calculate sets on False i.e. unmark the interest calculation candidates that already have existing linked interest calculations.
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Next, they select the button
(Create Invoices). The following message appears:

By selecting the button Create, following message appears:
