ASN Bank allows you to export banking transactions from a selected time period via its online banking portal. You can then upload the exported file to Nmbrs Accounting so that the transactions are automatically processed in your administration.
Check date of most recently imported transaction
Before exporting transactions, it’s important to check the date up to which bank transactions have already been processed in Nmbrs Accounting. You can find this date in the last column of the overview of all bank accounts in Nmbrs Accounting.
If the bank account in question does not yet exist in Nmbrs Accounting, it will be created automatically when you upload the file. After that, you only need to specify which ledger the bank account belongs to.
Supported file formats
To import ASN bank transactions into Nmbrs Accounting, you must submit the export file in the following format:
- CAMT.053.
Download ASN bank file
You have to go through the following steps in order to download a bank file of your corporate account with the ASN bank:
- You log in to online banking with the ASN bank

- Click 'Betalen en sparen' and next click 'Transactiehistorie' immediately.
- Select the corporate account.
- Enter the start date and the end date of the period for which you want to download the transactions.
Maximally 18 months back in time if you at least were already using online banking during that period. - Select the 'CAMT.053' file format.
- Click the 'Start downloaden' button.
- You can now save the file.
In most browsers the file will be saved in the 'Downloads' folder.
Upload ASN bank file to Nmbrs Accounting
We recommend that you do not open or edit the bank file. This ensures that the file structure remains intact and allows Nmbrs Accounting to process the file correctly.
You can then upload the downloaded bank file to Nmbrs Accounting via the PO Box or send it as an attachment by email to <yourdomainname>@accounting.nmbrs.nl.
The electronic bank file will be automatically processed in your administration.
For a detailed description of uploading files in Nmbrs Accounting, see article Upload files from PO Box.
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