Journal Entries
  • 06 Mar 2023
  • 5 Minutes To Read
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Journal Entries

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  • PDF

Article summary

Journal entries are the logs of all the transactions in your organization which have accounting implications.

Client account transactions will be logged automatically by Mambu after you link your products to General Ledger (GL) accounts.

Other transactions will need to be entered manually such as payroll or asset depreciation, for example.

Automatic journal entries are logged when client transactions are posted, allowing you to generate accounting reports on real time data. To make the audit process easier, the journal entries are also linked to the correspondent client account transaction.

Manual journal entries

To enter a manual journal entry:

  1. On the main menu, go to Accounting > Journal Entries.
  2. On the right-hand side of the screen, select New Journal Entry.

New Journal Entry view - Manual JE screen with fields like Debit/Credit, GL Account, Branch, Booking Date and Notes. The buttons found are Attach File, Cancel and Log Journal Entry.

  1. Fill in the following information:

Debit: enter the amount to be debited to the account and the account number or name in the next field. As you start typing, you'll see the list of matching accounts in your Chart of Accounts so that you can choose the right one.

Credit: enter the amount to be credited to the account and choose the correspondent account in the next field.

Branch: for both credit and debit, you can select a branch. If you leave this field blank, transactions will not be associated with a branch. If you are already filtering to view a specific branch, the journal entry is automatically set to that branch.

Booking Date (Entry Date): will be the current date by default, although you can backdate the journal entry, if the transaction was actually made previously.

Notes: enter any comments you want to have associated with the transaction. Notes are mandatory when posting or reversing manual journal entries.

Attach File: you can also attach up to five files to the manual journal entries, such as documents related to the amount needed for later audit or investigations. You must have the permission to manage documents in order for this option to be available. For more information, see Permissions - Documents.

  1. Select Log Journal Entry and the new journal entry will be added to your list of journal entries.

If you want to log several consecutive manual journal entries, select the Create Another checkbox and after the completion of the first manual journal entry, the window will remain open so you can log the next one. If you need to log "many-to-many" accounts journal entries, select the green plus sign, which will add another account to be either debited or credited. Keep adding as many as you need.

Please Note

Mambu will validate that the total debit amounts are equal to the total credit amounts. If they are not, the journal entry cannot be saved and you will get an error message.

Accounting in multicurrency

Early Access Feature
If you would like to request early access to this feature, please get in touch with your Mambu Customer Success Manager to discuss your requirements. For more information, see Mambu Release Cycle - Feature Release Status.

You can post manual journal entries in a currency other than the base currency. The manual journal entry will use the accounting rate available at 00:00:00. Manual journal entries have only date stamps.

New journal entry window with three different currencies, dollar, euro, and pound.png

Automatic journal entries

After you link your products to GL Accounts by defining the Product Rules, Mambu will automatically log corresponding journal entries for each transaction posted in a client account.

The deposit account transactions that generate automatic journal entries are:

  • Deposits
  • Deposit Adjustments (Reversals)
  • Withdrawals
  • Withdrawal Adjustments (Reversals)
  • Transfer
  • Transfer Adjustments (Reversals)
  • Fee Applied
  • Fees Adjustments (Reversals)
  • Interest Applied
  • Interest Applied Adjustments (Reversals)
  • Write-Off
  • Write-Off Adjustments (Reversals)
Please Note

Interest Applied transactions on current accounts with overdraft interest and positive interest generate Journal Entries separately for overdraft and positive interest.

The loan accounts transactions that generate automatic journal entries are:

  • Disbursements
  • Disbursement Adjustments (Reversals)
  • Repayments
  • Repayment Adjustments (Reversals)
  • Interest Applied
  • Interest Applied Adjustments (Reversals)
  • Penalty Applied
  • Penalty Applied Adjustments (Reversals)
  • Fees Applied
  • Fees Applied Adjustments (Reversals)
  • Rescheduling
  • Write-Off
  • Write-Off Adjustments (Reversals)
Please Note

In the case of automatically generated journal entries based on transactions entered in accounts, the journal entry date will always be the same as the client transaction's Entry Date. For example, if you backdate a repayment to three days ago, the corresponding journal entry will also be backdated to three days ago.

Entry ID vs Transaction ID

Entry IDs refer to journal entry IDs. For example, when you enter a repayment, the repayment transaction will generate two journal entries—debit and credit—with the same transaction ID but with two different entry IDs, which are globally unique for journal entries.

Transaction IDs refer to a withdrawal, a repayment, a fee applied, and so on. They are used to cross-reference them with the transaction on the loan or deposit account.

Please Note

If you make a manual journal entry, a single transaction ID will be created for that set of journal entries which is not related to any client account transaction. Each individual entry will have its own entry ID.

Please be Aware

Transaction IDs are independently generated for loans and deposits. It is therefore possible to have the same transaction ID for a deposit transaction in a deposit account and an existing repayment transaction in a loan account.

Reversing journal entries

You can only reverse manual journal entries.
If a journal entry is logged by mistake and needs to be reversed:

  1. Find the journal entry using the appropriate filters.
  2. Select the reversal icon next to the journal entry.
  3. Confirm.

You can also add a comment on the reversal reason - the Notes field is mandatory and needs to be filled out in order for the journal entry to be reversed.

Please Note
If you reversed a journal entry by mistake, you will need to reverse the new reversal entry, so that the account debits and credits will go back to the original state. If you need to reverse a journal entry that was posted automatically for a client account transaction, you need to reverse the original client transaction.

Listing and reporting journal entries

Similar to clients or accounts custom views, you can configure the columns visible in the journal entries view and define several "presets" that include different columns depending on the reporting needs. For more information on setting and editing presets, see Customizing Columns.


Include information about the journal entries (such as the ID, creation date, debit, and credit), but can also contain information from the client, group or account associated with the journal entry.


Mambu allows you to filter journal entries based on a various number of constraints. You can filter by any journal entry specific details (entry ID, date, branch GL Account, amount and so on) or by any detail related to the transaction associated with it.

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