Purchase requisition : ( PR ):
PR is a internal Purchase document, for a particular Material /service and certain quantity within a specified timeline.
Basically it is a purchase request from any department with in the Business.PR is a Non legal document.
PR can be divided into 4 levels:
Document type level:
Header level
Item overview level
Item details level

We can create PR for Material / Service.
Departments within the business can request for any material or service to the Purchase organization.
Then Purchase organization can create PR on behalf of Requested department.
If Material is available in stores, then they can issue the material to the concerned department.
If material is not available then they will initiate the procurement process.
IMP T codes for PR :
Create PR – Me51n / ME51
Change PR - Me52n
Display PR – Me53n
Path : sap menu- Logistics- MM- Purchasing-- PR- Create
Individual release – ME54N
Collective release – ME55
List of PR – ME5A
T code : ME51N / Me51 :
N – Njoy Transaction – User friendly transaction
Document type – std doc type NB
Source determination – Vendor selection
In PR – Header only contains text information.
Item Overview : List of Material / services and Item details : each material details.
PR can be created by following ways:
Manual – Me51n
Copy option: with ref to existing PR : T code – Me51n
PR created with Material
PR can be created for service as well
T Code – ME51n
PR can be created with Material / Without Material
PR can be created with source determination/ without source determination
Create – Me51N/52N/53N
Test data:
Create PR – ME51n ,
Change PR – Me52n
Display PR – Me53n
Error : Account assignment mandatory for material XXXX (enter acc. ass. cat.)
Two check points:
First Check Valuation class is maintained in MMR.
Check T code OMS2 ( material type config ) : for qty update and Value update
PR Creation without Material / service :
T code : Me51n
Error : Please enter material number or account assignment category
Note : Account assign cat Mandatory – U - unknown
List of PR : T code ME5A
Purchase Requisition with source determination:
T code : Me51n
Source determination happens as per below priorities
Quota arrangement
Source list with fixed vendor
Agreement
Info record

Creation of PR with copy Option ( using other PR number )
T code – ME51N
Tables to be used for PR:
T code : se16n
Eban – Purchase requisition

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