Mamut
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Mamut is a Norwegian accounting system, now part of Visma.
Mamut uses a standard format for their files, this is also a format many other accounting systems has support for.
Configuration of export is to be done following the standard .
Mamut has 3 additional fields to be configured:
Accounting project: Select if project is to be included and how to get project information
Voucher code for invoices: Define the code used for invoices. Default 1
Voucher code for credit notes: Define the code used for credit notes. Default 3
Set these fields as needed and save.
The file produced is a CSV file using ";" (semi-colon) as separator. The number in the Max length column is give to inform about max number of characters allowed.
The file is according to the GBAT10 format, the standard format for Mamut.
Description
Column
Number
Column
in Excel
Max
length
Comment
Required
Identification
0
A
6
Always: GBAT10
Yes
Voucher no.
1
B
8
Numeric.
Voucher date
2
C
8
Date
Yes
Voucher type
3
D
3
Yes
4
E
2
Numeric (no decimals)
Yes
5
F
4
Numeric (no decimals)
Yes
Account
6
G
4
Numeric (no decimals)
Yes
7
H
5
Yes
Balance
8
I
15
Numeric (two decimals)
Yes
9
J
9
Numeric (no decimals)
Yes*
Supplier no.
10
K
9
Numeric (no decimals)
Yes*
11
L
30
String
Yes**
Address
12
M
200
String
Postal code
13
N
30
String
Postal place
14
O
30
String
Invoice no.
15
P
25
String
KID
16
Q
30
String
Due date
17
R
8
Date
<N/A>
18
S
[Blank]
Bank account
19
T
20
String
Description
General ledger
20
U
100
String
Description Ledger
21
V
100
String
22
W
1
Numeric
Project
23
X
6
24
Y
4
Payment terms
25
Z
4
26
AA
1
String
GrossSum
27
AB
20
Numeric (three decimals)
*For ledger vouchers **For ledger vouchers
Date format: YYYYMMDD
Decimal separator: . (period)
Defined if the contact is new or existing contact should be updated.
Customer number must be stated when comparing using numbers.
Departments must exist in Mamut prior to the import.
This field can have one of the following status for a voucher
Blank: The line will be imported with value from Balance
T (True): The line will be imported with GrossSum (incl. VAT)
F (False):The line will not be imported. Example: a separate vat-voucher line that should be ignored in import
This field can have one of the following status for a voucher
No interest invoicing
Always
Only above 30 days
The accounting year and period must exist in Mamut prior to the import.
StdReg_xxx.xls is a reference to a file that can be exported in your Mamut software, this contains your specific standard values.
With regards to vat. there are two alternative methods for import.
Import separate vat-line for each voucher VAT code should be set to 1 (no vat) on all rows. Do not include the last two fields in the file as this will result in errors.
Import gross sum and let Mamut calculate vat. (Recommended) To use this method make sure the last two fields are used. Gross is set to either T or F (see more about Gross above) GrossSum is numeric with three decimals and shall have the gross sum (incl. vat). Set VAT code to 1 on the 1510 rows and relevant VAT code on e.g. 3010 rows.
Numeric ()
Code
Numeric ()
Numeric ()
Numeric ()
Numeric ()
