To close an open invoice, follow these steps:

1). Log in to the "Helium health" application. 

2). Click on "Finance" on the left module bar.

3). On "Invoices," check the "Open" invoices option.

4). Click on the "Close now" button.

5). Select the payment items using the checkbox. 

6). Select "Type Of Payoff".

7). Select the preferred payment mode from the options, e.g., "Cash". Then click on "Confirm Cash Collected".

Need further assistance? Raise a request with Support, and we'll be glad to help!