<?xml version="1.0" encoding="utf-8"?>
<ManualTopic ID="/baanerp/cp/onlinemanual/000046" xml:lang="en">
   <Header>
      <Title>Allocation rule: historic percentage</Title>
      <Keyword type="header" order="d1e198630">
         <Level1>Allocation rule</Level1>
         <Level2>Historic percentage</Level2>
      </Keyword>
      <Keyword type="header" order="d1e198635">
         <Level1>Historic percentage</Level1>
      </Keyword>
   </Header>
   <GeneralSection>
      <Paragraph>For the selection of external suppliers and the generation of <Link href="/baanerp/cp/glossary/glossary#000048" role="glossary">planned purchase orders</Link>, you can use a <Link href="/baanerp/cp/glossary/glossary#000105" role="glossary">supply strategy</Link> with a
		special <Link href="/baanerp/cp/glossary/glossary#000108" role="glossary">allocation rule</Link>: <GUIRef href="/baanerp/cp/domains/com.diru#historic" role="option">Historic Percentage</GUIRef>.</Paragraph>
      <GeneralSection>
         <SectionTitle>Historic percentage</SectionTitle>
         <Paragraph>If multiple <Link href="/baanerp/tc/glossary/glossary#BuyfroBusine_tc" role="glossary">buy-from business partners</Link> are capable to
		  supply a particular item, you can specify which percentage of the total supply
		  of the item must be supplied by each of the <Link href="/baanerp/tc/glossary/glossary#BuyfroBusine_tc" role="glossary">buy-from business partners</Link>.</Paragraph>
         <Paragraph>You can define this percentage in the <GUIRef href="/baanerp/td/ipu/tdipu0110m000#tdipu010.srcp" role="manual">Sourcing Percentage</GUIRef> field in the <GUIRef href="/baanerp/td/ipu/tdipu0110m000" role="session">Items - Purchase Business Partner (tdipu0110m000)</GUIRef> session.</Paragraph>
         <Paragraph>If the <GUIRef href="/baanerp/cp/rpd/cprpd7120m000#cprpd720.diru" role="manual">Allocation Rule</GUIRef> field in the <GUIRef href="/baanerp/cp/rpd/cprpd7120m000" role="session">Supply Strategy (cprpd7120m000)</GUIRef> session is set to <GUIRef href="/baanerp/cp/domains/com.diru#historic" role="option">Historic Percentage</GUIRef>, <GUIRef href="" role="manual">Enterprise Planning</GUIRef> attempts to make the
		  distribution of the deliveries by various suppliers conform the specified
		  percentages in the long run. To achieve the desired percentage, <GUIRef href="" role="manual">Enterprise Planning</GUIRef> calculates the average actual percentage
		  allocated to each supplier.</Paragraph>
         <Paragraph>You can see the result of the historic quantities in the <GUIRef href="/baanerp/cp/rpd/cprpd7150m000" role="session">Active Supply Sources Overview (cprpd7150m000)</GUIRef> session.</Paragraph>
         <Paragraph>To use this method, you must run the <GUIRef href="/baanerp/cp/rpd/cprpd7250m000" role="session">Generate Active Supplying Source Overview (cprpd7250m000)</GUIRef> session from time to time,
		  for example, once a month, to update the active supply sources overview.</Paragraph>
      </GeneralSection>
   </GeneralSection>
   <RelatedTopics>
      <SectionTitle>Related topics</SectionTitle>
      <RelTopic>
         <Link href="/baanerp/cp/onlinemanual/000305" role="manual">Supply planning</Link>
      </RelTopic>
      <RelTopic>
         <Link href="/baanerp/cp/onlinemanual/000158" role="manual">Sourcing strategies</Link>
      </RelTopic>
      <RelTopic>
         <Link href="/baanerp/cp/onlinemanual/000056" role="manual">To select suppliers</Link>
      </RelTopic>
      <RelTopic>
         <Link href="/baanerp/cp/onlinemanual/000060" role="manual">Lot sizing</Link>
      </RelTopic>
      <RelTopic>
         <Link href="/baanerp/cp/onlinemanual/000161" role="manual">To compute supply lead-times</Link>
      </RelTopic>
   </RelatedTopics>
</ManualTopic>