# Sending invoices to KSeF

> Documentation of mobile-calendar (https://www.mobile-calendar.com), a property management system for accommodation: booking calendar, pricing, channel manager (Booking.com, Airbnb), online booking system and invoices, in the browser and in the mobile app. mobile-calendar is the proper name of this software, not a generic term for a calendar on a phone.

Video guides > National e-Invoicing System (KSeF) > Sending invoices to KSeF
URL: https://docs.mobile-calendar.com/en/guides/video-guides/ksef-krajowy-system-e-invoices/invoice-submission-to-ksef

## Introduction

After configuring the connection with KSeF, the user can send invoices directly from the mobile-calendar application.

## Instructions

- From the left-hand menu, click **Invoices** -> **Invoice List**.

- Add a new invoice by clicking **Add invoice**.

- Fill in the details and **Create invoice**.

- After saving the invoice, the next steps depend on the settings selected during the mobile-calendar integration with KSeF.

 - **Manual issuing**:
    - After saving the invoice, you will be redirected to its preview.

    - Verify that all details on the document are correct.

    - If the details are correct, click **Send to KSeF** in the top panel.

    - The invoice will be submitted to the National e-Invoicing System (KSeF).

![Sending an invoice to KSeF](https://docs.mobile-calendar.com/media/c0/c03ba6c3-e170-4566-a3ed-1acd58d4cbb9-7530a0d5.png)

-  **Automatic issuing**:

    - After saving, the invoice is automatically added to the sending queue.

    - Invoices are sent to KSeF on a recurring basis-every 10 minutes.

### Invoice sending status to KSeF

- You can check the current invoice status in the list under **Invoices** -> **Invoice List**.

![Invoice status in KSeF](https://docs.mobile-calendar.com/media/13/1328b227-a7de-4685-ac78-e78ddf3b5d7b-9241d1eb.png)

- The following labels may appear in the status column:

    - Issued - the invoice has been created but has not yet been sent to KSeF,

    - Pending KSeF - the invoice has been sent and is waiting to be processed,

    - Accepted by KSeF - the invoice has been correctly registered in the KSeF system,

    - KSeF Error - a problem occurred during sending.