<?xml version="1.0" encoding="utf-8"?>
<ManualTopic ID="/baanerp/td/onlinemanual/000348" xml:lang="en">
   <Header>
      <Title>Pull forecast schedules</Title>
      <Keyword type="header" order="d1e1640186">
         <Level1>Purchase schedule</Level1>
         <Level2>pull forecast schedules</Level2>
      </Keyword>
      <Keyword type="header" order="d1e1640191">
         <Level1>Pull forecast schedule</Level1>
      </Keyword>
      <Keyword type="header" order="d1e1640194">
         <Level1>Non-referenced schedule</Level1>
      </Keyword>
   </Header>
   <AimSection>
      <Paragraph>A <Link href="/baanerp/td/glossary/glossary#000335" role="glossary">pull schedule</Link> of the type forecast is a <Link href="/baanerp/td/glossary/glossary#000338" role="glossary">non-referenced schedule</Link> that can only be generated by <GUIRef href="/baanerp/cp" role="package">Enterprise Planning</GUIRef> and that
		cannot be manually created.</Paragraph>
   </AimSection>
   <ProcedureSection>
      <ProcIntro>
         <Paragraph>Based on the parameters and triggers, the following steps are
		  completed:</Paragraph>
      </ProcIntro>
      <Steps>
         <Step>
            <StepTitle>To generate a schedule header and lines</StepTitle>
            <Paragraph>ERP Enterprise generates a schedule header and schedule lines in the <Link href="/baanerp/td/pur/tdpur3610m000" role="session">Purchase Schedule - Lines (tdpur3610m000)</Link> session.</Paragraph>
            <List>
               <ListIntro>Before a pull forecast schedule can be automatically
				generated by <GUIRef href="/baanerp/cp" role="package">Enterprise Planning</GUIRef>, the following information is exchanged between <GUIRef href="/baanerp/cp" role="package">Enterprise Planning</GUIRef> and the <GUIRef href="/baanerp/td/pur" role="module">Purchase Control</GUIRef> module:</ListIntro>
               <ListItemHead>Determination of supplier</ListItemHead>
               <ListItem> 
                  <ProcedureList>
                     <ListIntro>To determine a supplier, the following steps are
					 completed:</ListIntro>
                     <ListItem>
                        <GUIRef href="/baanerp/cp" role="package">Enterprise Planning</GUIRef> sends the required item (group) and warehouse to <GUIRef href="/baanerp/td/pur" role="module">Purchase Control</GUIRef>.</ListItem>
                     <ListItem>
                        <GUIRef href="/baanerp/td/pur" role="module">Purchase Control</GUIRef> searches for approved suppliers based on the priority levels
					 defined on the <GUIRef href="/baanerp/td/pur/tdpur0100m300#tdpur0100sDF5" role="groupbox">Buy-from BP Search Schedules</GUIRef> tab of the <GUIRef href="/baanerp/td/pur/tdpur0100m300" role="session">Purchase Contract Parameters (tdpur0100m300)</GUIRef> session.</ListItem>
                     <ListItem>
                        <GUIRef href="/baanerp/td/pur" role="module">Purchase Control</GUIRef> sends all valid business partners to <GUIRef href="/baanerp/cp" role="package">Enterprise Planning</GUIRef>, after
					 which <GUIRef href="/baanerp/cp" role="package">Enterprise Planning</GUIRef> selects a supplier.</ListItem>
                  </ProcedureList> 
                  <List>
                     <ListIntro>For more information, refer to:</ListIntro>
                     <ListItem>
                        <Link href="/baanerp/cp/onlinemanual/000159" role="manual">To select external suppliers</Link>
                     </ListItem>
                     <ListItem>
                        <Link href="/baanerp/cp/onlinemanual/000160" role="manual">To select internal suppliers</Link>
                     </ListItem>
                  </List>
               </ListItem>
               <ListItemHead>Determination of requirement dates</ListItemHead>
               <ListItem>To determine requirement dates, <GUIRef href="/baanerp/cp" role="package">Enterprise Planning</GUIRef> carries
				out lead time <Link href="/baanerp/td/glossary/glossary#000345" role="glossary">offsetting</Link>. To carry out
				lead time offsetting, you must generate planned delivery moments far enough in
				the future in the <GUIRef href="/baanerp/td/ipu/tdipu0225m000" role="session">Generate Planned Delivery Moments (tdipu0225m000)</GUIRef> session. The generated planned delivery moments are stored in the <GUIRef href="/baanerp/td/ipu/tdipu0125m000" role="session">Planned Delivery Moments (Shipment Based) (tdipu0125m000)</GUIRef> session or the <GUIRef href="/baanerp/td/ipu/tdipu0126m000" role="session">Planned Delivery Moments (Delivery Based) (tdipu0126m000)</GUIRef> session, from which they can
				be called on by <GUIRef href="/baanerp/cp" role="package">Enterprise Planning</GUIRef>. For more information, refer to <Link href="/baanerp/td/onlinemanual/000352" role="manual">Using planned delivery moments</Link>.</ListItem>
               <ListItemHead>Determination of supply</ListItemHead>
               <ListItem> ERP Enterprise can generate schedule lines dependent on a number of constraints. <List>
                     <ListIntro>For more information on these constraints, refer
					 to:</ListIntro>
                     <ListItem>
                        <Link href="/baanerp/td/onlinemanual/000343" role="manual">Constraints for generating non-referenced purchase schedule lines</Link>
                     </ListItem>
                     <ListItem>
                        <Link href="/baanerp/cp/onlinemanual/000078" role="manual">Purchase schedules and Enterprise Planning</Link>
                     </ListItem>
                  </List>
               </ListItem>
            </List>
            <Paragraph>ERP Enterprise only generates a new schedule if <GUIRef href="/baanerp/cp" role="package">Enterprise Planning</GUIRef> does not find an existing pull
			 schedule for a combination of item, buy-from business partner, ship-from
			 business partner, and purchase office. Schedule lines are regarded the same if
			 the <GUIRef href="/baanerp/td/pur/tdpur3111m000#tdpur311.ddta" role="manual">Planned Receipt Date</GUIRef> and <GUIRef href="/baanerp/td/pur/tdpur3111m000#tcibd420.olid" role="manual">Option List ID</GUIRef> fields are equal.</Paragraph>
            <Paragraph>Although you cannot manually create pull forecast schedules,
			 if no schedule lines exist yet, you can update an active pull forecast schedule
			 in the <GUIRef href="/baanerp/td/pur/tdpur3110m000" role="session">Purchase Schedules (tdpur3110m000)</GUIRef> session.</Paragraph>
         </Step>
         <Step>
            <StepTitle>To regenerate schedule lines</StepTitle>
            <Paragraph>Schedule lines must be <Link href="/baanerp/td/glossary/glossary#000341" role="glossary">regenerated</Link> in the <Link href="/baanerp/td/pur/tdpur3211m000" role="session">Regenerate Schedules (tdpur3211m000)</Link> session.</Paragraph>
            <Paragraph>For pull-forecast schedules, regeneration is only performed
			 to retrieve the correct <Link href="/baanerp/td/glossary/glossary#000093" role="glossary">segment set</Link>, <Link href="/baanerp/td/glossary/glossary#000000000000019" role="glossary">pattern code</Link>, and <Link href="/baanerp/td/glossary/glossary#Buyer_td" role="glossary">buyer</Link> for the purchase schedule.</Paragraph>
            <Paragraph>For more information on using segment sets when regenerating
			 purchase schedule lines, refer to <Link href="/baanerp/td/onlinemanual/000006" role="manual">Using segment sets</Link>.</Paragraph>
         </Step>
         <Step>
            <StepTitle>To generate a purchase release</StepTitle>
            <List>
               <ListIntro>The <Link href="/baanerp/td/pur/tdpur3222m000" role="session">Generate Release Lines (tdpur3222m000)</Link> session is used to perform the following actions:</ListIntro>
               <ListItem>Generate purchase release lines, which are displayed in the <GUIRef href="/baanerp/td/pur/tdpur3121m000" role="session">Purchase Release - Lines (tdpur3121m000)</GUIRef> session.</ListItem>
               <ListItem>
                  <Link href="/baanerp/td/glossary/glossary#000343" role="glossary" Update="No">Cluster</Link> schedule lines, which
				are displayed in the <GUIRef href="/baanerp/td/pur/tdpur3522m000" role="session">Purchase Release Line - Details (tdpur3522m000)</GUIRef> session.</ListItem>
            </List>
            <List>
               <ListIntro>For more information on:</ListIntro>
               <ListItem>Purchase releases, refer to <Link href="/baanerp/td/onlinemanual/000350" role="manual">Purchase releases</Link>.</ListItem>
               <ListItem>Custering, refer to <Link href="/baanerp/td/onlinemanual/000351" role="manual">Clustering purchase schedule lines</Link>.</ListItem>
            </List>
         </Step>
         <Step>
            <StepTitle>To approve the purchase release</StepTitle>
            <Paragraph>The purchase release must be approved in the <Link href="/baanerp/td/pur/tdpur3222m100" role="session">Approve Release Lines (tdpur3222m100)</Link> session.</Paragraph>
         </Step>
         <Step>
            <StepTitle>To print the purchase release</StepTitle>
            <Paragraph>The purchase release must be printed in the <Link href="/baanerp/td/pur/tdpur3422m000" role="session">Print Purchase Releases (tdpur3422m000)</Link> session.</Paragraph>
            <Paragraph>If the <GUIRef href="/baanerp/td/pur/tdpur3102m000#tdpur302.wcom" role="field">Communication Channel</GUIRef> field in the <GUIRef href="/baanerp/td/pur/tdpur3102m000" role="session">Purchase Contract Line Logistic Data (tdpur3102m000)</GUIRef> session and/or the <GUIRef href="/baanerp/td/ipu/tdipu0110m000" role="session">Items - Purchase Business Partner (tdipu0110m000)</GUIRef> session is set to <GUIRef href="/baanerp/td/domains/wcom#edi" role="option">EDI</GUIRef> and the <Link href="/baanerp/td/pur/tdpur3102m000#tdpur302.demr" role="formfield">Release EDI Message Directly</Link> check box is selected in these sessions, you need
			 not print the purchase release in the <GUIRef href="/baanerp/td/pur/tdpur3422m000" role="session">Print Purchase Releases (tdpur3422m000)</GUIRef> session. ERP Enterprise automatically prints
			 the purchase release.</Paragraph>
         </Step>
         <Step>
            <StepTitle>To insert authorizations</StepTitle>
            <Paragraph>Authorizations are inserted in the <Link href="/baanerp/td/pur/tdpur3534m000" role="session">FAB/RAW Authorizations (tdpur3534m000)</Link> session.</Paragraph>
            <Paragraph>Pull forecast schedules use the <Link href="/baanerp/td/glossary/glossary#000004" role="glossary">required cumulatives</Link> from the pull call-off schedule to calculate <Link href="/baanerp/td/glossary/glossary#000003" role="glossary">fab authorizations</Link> and <Link href="/baanerp/td/glossary/glossary#000002" role="glossary">raw authorizations</Link>.</Paragraph>
            <Paragraph>For more information, refer to <Link href="/baanerp/td/onlinemanual/000001" role="manual">Purchase schedule authorizations</Link>.</Paragraph>
         </Step>
         <Step>
            <StepTitle>To generate a pull call-off schedule</StepTitle>
            <Paragraph>A pull call-off schedule must be generated.</Paragraph>
            <Paragraph>For details on pull call-off schedules, refer to <Link href="/baanerp/td/onlinemanual/000349" role="manual">Pull call-off schedules</Link>.</Paragraph>
         </Step>
      </Steps>
   </ProcedureSection>
   <RelatedTopics>
      <SectionTitle>Related topics</SectionTitle>
      <RelTopic>
         <Link href="/baanerp/cp/onlinemanual/000159" role="manual">To select external suppliers</Link>
      </RelTopic>
      <RelTopic>
         <Link href="/baanerp/cp/onlinemanual/000160" role="manual">To select internal suppliers</Link>
      </RelTopic>
      <RelTopic>
         <Link href="/baanerp/td/onlinemanual/000352" role="manual">Using planned delivery moments</Link>
      </RelTopic>
      <RelTopic>
         <Link href="/baanerp/td/onlinemanual/000310" role="manual">Configured items on purchase schedules</Link>
      </RelTopic>
      <RelTopic>
         <Link href="/baanerp/td/onlinemanual/000343" role="manual">Constraints for generating non-referenced purchase schedule lines</Link>
      </RelTopic>
      <RelTopic>
         <Link href="/baanerp/cp/onlinemanual/000078" role="manual">Purchase schedules and Enterprise Planning</Link>
      </RelTopic>
      <RelTopic>
         <Link href="/baanerp/td/onlinemanual/000006" role="manual">Using segment sets</Link>
      </RelTopic>
      <RelTopic>
         <Link href="/baanerp/td/onlinemanual/000350" role="manual">Purchase releases</Link>
      </RelTopic>
      <RelTopic>
         <Link href="/baanerp/td/onlinemanual/000351" role="manual">Clustering purchase schedule lines</Link>
      </RelTopic>
      <RelTopic>
         <Link href="/baanerp/td/onlinemanual/000001" role="manual">Purchase schedule authorizations</Link>
      </RelTopic>
      <RelTopic>
         <Link href="/baanerp/td/onlinemanual/000349" role="manual">Pull call-off schedules</Link>
      </RelTopic>
      <RelTopic>
         <Link href="/baanerp/td/onlinemanual/000010" role="manual">Overview of purchase schedule handling</Link>
      </RelTopic>
   </RelatedTopics>
</ManualTopic>