Hi,
Following is the SAP help on the Tolerance settings for Invoice. Check the config and decide what is best for you (from your brief explanation it looks like AP and PP may be relevant fro your case)
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Set Tolerance Limits
In this step, you specify the tolerance limits for each tolerance key
for each company code.
When processing an invoice, the R/3 System checks each item for
variances between the invoice and the purchase order or goods receipt.
The different types of variances are defined in tolerance keys.
The system uses the following tolerance keys to check for variances:
o AN: Amount for item without order reference
If you activate the item amount check, the system checks every line
item in an invoice with no order reference against the absolute
upper limit defined.
o AP: Amount for item with order reference
If you activate the item amount check, the system checks specific
line items in an invoice with order reference against the absolute
upper limit defined. Which invoice items are checked depends on how
you configure the item amount check.
o BD: Form small differences automatically
The system checks the balance of the invoice against the absolute
upper limit defined. If the upper limit is not exceeded, the system
automatically creates a posting line called Expense/Income from
Small Differences, making the balance zero and allowing the system
to post the document.
o BR: Percentage OPUn variance (IR before GR)
The system calculates the percentage variance between the following
ratios: quantity invoiced in order price quantity units : quantity
invoiced in order units and quantity ordered in order price quantity
units : quantity ordered in order units. The system compares the
variance with the upper and lower percentage tolerance limits.
o BW: Percentage OPUn variance (GR before IR)
The system calculates the percentage variance between the following
ratios: quantity invoiced in order price quantity units: quantity
invoiced in order units and goods receipt quantity in order price
quantity units : goods receipt quantity in order units. The system
compares the variance with the upper and lower percentage limits
defined.
o DQ: Exceed amount: quantity variance
If a goods receipt has been defined for an order item and a goods
receipt has already been posted, the system multiplies the net order
price by (quantity invoiced - (total quantity delivered - total
quantity invoiced)).
If no goods receipt has been defined, the system multiplies the net
order price by (quantity invoiced - (quantity ordered - total
quantity invoiced)).
The system compares the outcome with the absolute upper and lower
limits defined.
This allows relatively high quantity variances for invoice items for
small amounts, but only small quantity variances for invoice items
for larger amounts.
You can also configure percentage limits for the quantity variance
check. In this case, the system calculates the percentage variance
from the expected quantity, irrespective of the order price, and
compares the outcome with the percentage limits configured.
The system also carries out a quantity variance check for planned
delivery costs.
o DW: Quantity variance when GR quantity = zero
If a goods receipt is defined for an order item but none has as yet
been posted, the system multiplies the net order price by (quantity
invoiced + total quantity invoiced so far).
The system then compares the outcome with the absolute upper
tolerance limit defined.
If you have not maintained tolerance key DW for your company code,
the system blocks an invoice for which no goods receipt has been
posted yet. If you want to prevent this block, then set the
tolerance limits for your company code for tolerance key DW to Do
not check.
o KW: Variance from condition value
The system calculates the amount by which each delivery costs item
varies from the product of quantity invoiced * planned delivery
costs/ planned quantity. It compares the variance with the upper and
lower limits defined (absolute limits and percentage limits).
o LA: Amount of blanket purchase order
The system determines the number of days by which the invoice is
outside the planned time interval. If the posting date of the
invoice is before the validity period, the system calculates the
number of days between the posting date and the start of the
validity period. If the posting date of the invoice is after the
validity period, the system calculates the number of days between
the posting date and the end of the validity period. The system
compares the number of days with the with the absolute upper limit
defined.
o PP: Price variance
The system determines by how much each invoice item varies from the
product of quantity invoiced * order price. It then compares the
variance with the upper and lower limits defined (absolute limits
and percentage limits).
When posting a subsequent debit/credit, the system first checks if a
price check has been defined for subsequent debits/credits. If so,
the system calculates the difference between (value of subsequent
debit/credit + value invoiced so far) / quantity invoiced so far *
quantity to be debited/credited and the product of the quantity to
be debited/credited * order price and compares this with the upper
and lower tolerance limits (absolute limits and percentage limits).
o PS: Price variance: estimated price
If the price in an order item is marked as an estimated price, for
this item, the system calculates the difference between the invoice
value and the product of quantity invoiced * order price and
compares the variance with the upper and lower tolerance limits
defined (absolute limits and percentage limits).
When posting a subsequent debit/credit, the system first checks
whether a price check has been defined for subsequent
debits/credits, If so, the system calculates the difference between
(value of subsequent debit/credit + value invoiced so far) /
quantity invoiced so far * quantity to be debited/credited and the
product quantity to be debited/credited * order price. It then
compares the variance with the upper and lower tolerance limits
defined (absolute limits and percentage limits).
o ST: Date variance (value x days)
The system calculates for each item the product of amount *
(scheduled delivery date - date invoice entered) and compares this
product with the absolute upper limit defined. This allows
relatively high schedule variances for invoice items for small
amounts, but only small schedule variances for invoice items for
large amounts.
o VP: Moving average price variance
When a stock posting line is created as a result of an invoice item,
the system calculates the new moving average price that results from
the posting. It compares the percentage variance of the new moving
average price to the old price using the percentage tolerance limits
defined.
Variances are allowed within predefined tolerance limits. If a variance
exceeds a tolerance limit, however, the system issues a message
informing the user. If an upper limit (except with BD and VP) is
exceeded, the invoice is blocked for payment when you post it. You must
then release the invoice in a separate step. If the tolerance limit for
BD is breached, the system cannot post the invoice.
Note that if you set all limits for a tolerance key to Do not check, the
system does not check that tolerance limit. Therefore any variance would
be accepted. This does not make sense particularly in the case of the
tolerance key Form small differences automatically.
Activities
Configure the tolerance limits for the individual tolerance keys.
Lower limit Upper limit
Absolute Percentage Absolute Percentage
AN - - X -
AP - - X -
BD X - X -
BR - X - X
BW - X - X
DQ - - X -
DW - - X -
KW X X X X
LA - - X X
LD X - X -
PP X X X X
PS X X X X
ST - - X -
VP - X - X
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Best Regards,
Siva
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