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purchasing group in Material master VS contract?

hi all

can someone explain to me the difference in purchasing group in material master and in contract? I have to change purchasing group of some materials and when i went to check their contracts, I found that the purchasing group of the contract was different; what is the difference and which one has priority in Preq?

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    author's profile photo Former Member
    Former Member
    Posted on Dec 13, 2011 at 02:34 PM


    Many Purchase groups exists in a company. A specific purchase group responsible for creating / handling conracts say for ex. Global procurements, they usually create contracts by negotiating with vendors. Material may be procured internally or imported based on requirement purchase groups may be different at plant level and contract level.

    If PO created without reference to any PR, purchase group copied from contract. However you can change this behaviour.

    Check the below links you wll get more useful information.

    Changing Purchase group at PO header, avoiding defaulted from contract


    Syed Hussain.

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    • Former Member alisa majer

      Dear Alisa,

      Purchasing Group:

      i > Responsible for procuring a material or a class of materials for internal units

      ii> The contact for external suppliers

      Purchasing Group in material master:

      When you maintain Purchasing Group in material master i.e default purchasing group for that material

      If you create PR for that material it will come by default (from material master for the relevant plant)

      Purchase group in contract:

      Here Purchasing Group is the responsible for that particular contract and it is header data no direct relation with material code

      You can have multiple line item for multiple material but (those material may have different purchase group in master data)

  • Posted on Dec 13, 2011 at 01:50 PM


    I think the puchasing group was used deferent one while creating the Contracts. Do you need to change the Pur. grps of Contracts ?? Or material master. Note that the system will not change the Pur. grps if you changed in material master or Contacts, vise versa..


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    • i need to know what is the difference, what is the impact, what happens if i change one and not the other and how is it possible to have different purchasing groups for a material. The contract, true, is made for a vendor and in fact, it can contain several dirent materials: so is the purchasing group referred to the vendor?

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