| | Purchase releasesA purchase release is used to send out, under one release
number, several schedules with similar characteristics. These characteristics must be the same: - Ship-from business partner
- Ship-to address
- Release type (material release, shipping schedule, or sequence
shipping schedule
- Shipment based schedule or receipt based schedule
- Communication method
- Warehouse
Purchase release header statuses In the Purchase Releases (tdpur3120m000) session, purchase release headers are displayed. Each
header contains a release status that indicates which steps in the release
procedure have already been carried out and what the next step must be.
Naturally, the type of step to be taken also depends on the schedule type (push
schedule, pull forecast schedule, or pull call-off schedule). A purchase release can have the following statuses: Created The purchase release contains lines that all have the release
status Created, or lines of which some have the status Created and some have the status Scheduled. Scheduled The purchase release is approved and contains lines that all
have the release status Scheduled. Sent The purchase release is printed/EDI messages are sent and
contains lines that all have the release status Sent.
Purchase release line (detail) statuses In the Purchase Release - Lines (tdpur3121m000) session and the Purchase Release Line - Details (tdpur3522m000) session, these statuses represent the
following: Note - For nonreferenced schedules, you can approve the purchase release line, and consequently
the linked release line detail(s), in the Approve Release Lines (tdpur3222m100) session. For referenced schedules, LN automatically converts the schedule lines into a purchase release line and a
release line-detail with the status Scheduled. The schedule lines are not
clustered.
- For nonreferenced schedules, you can cluster schedule lines
in the Generate Release Lines (tdpur3222m000) session.
- EDI messages are automatically prepared if a purchase release
receives the status Scheduled and you have selected the Release EDI Message Directly check box in the Purchase Contract Line Logistic Data (tdpur3102m000) session and/ or the Item - Purchase Business Partner (tdipu0110m000) session.
Relation between purchase release header and generating
releases When running the Generate Release Lines (tdpur3222m000) session for nonreferenced schedules, or when
generating schedule lines for referenced schedules, LN first checks whether a
purchase release exists in the Purchase Releases (tdpur3120m000) session for the combination of buy-from business
partner, ship-from business partner, release type, shipment based/ receipt
based schedule, and communication method. Purchase release does not exist If no purchase release exists, LN takes the following
steps: - A new purchase release is created in the Purchase Releases (tdpur3120m000) session with a release revision number of zero and a release status of Created for nonreferenced schedules, or Scheduled for referenced schedules.
- A purchase release line is created in the Purchase Release - Lines (tdpur3121m000) session with the release status Created (nonreferenced), or Scheduled (referenced).
- (A) purchase release line detail record(s) is/are inserted in
the Purchase Release Line - Details (tdpur3522m000) session with the status Created or Scheduled. If the schedule is a nonreferenced schedule,
the records in the Purchase Release Line - Details (tdpur3522m000) session
can be clustered schedule lines.
Note If the referenced schedule is a sequence shipping schedule, only a purchase release header is created. No
purchase release lines and purchase release line detail records are created.
The reason for this is that, usually, a release is sent by item. Items in a
sequence shipping schedule, however, are required for a combination of vehicle
number (VIN), line station, and assembly kit. For this reason, a link exists
between the release header in the Purchase Releases (tdpur3120m000) session and the release lines in the Production Synchronous Calls (tdpur3523m000) session. For details, refer to Sequence shipping schedules. Purchase release does exist If a purchase release already exists, dependent on the
purchase release's status, when running the Generate Release Lines (tdpur3222m000) session for nonreferenced schedules, or when
generating schedule lines for referenced schedules, LN takes the following
steps: - If the purchase release's highest revision in the Purchase Releases (tdpur3120m000) session has the status Created, the release lines in the Purchase Release - Lines (tdpur3121m000) session, which can have the status Scheduled and/or Created, and the release line details in the Purchase Release Line - Details (tdpur3522m000) session, are simply updated.
- If the purchase release's highest revision has the status Sent, a
new release revision is created with the status Created or Scheduled.
- If the purchase release's highest revision has the status Scheduled, you must either send the purchase release or
run the Approve Release Lines (tdpur3222m100) session with the Rebuild Release check box selected. If you choose the last option, the release
lines are generated again for the specific purchase release. The purchase
release keeps the same release revision number as the previous one and receives
the status Scheduled.
Note - Rebuilding the release in the Approve Release Lines (tdpur3222m100) session is only applicable for nonreferenced
schedules.
- Even if the status of the purchase release's highest
revision is not Sent, LN can still generate new revision numbers when
generating release lines. This occurs if schedules with various schedule issue dates are stored under one purchase release. Any schedule with a
schedule issue date different from the issue date of the last release, receives
a new revision number.
- Pull call-off schedules, for which no schedule issue dates
are defined, are automatically stored under the last purchase release revision
with the status Scheduled. Because call-off schedules are not released
based on schedule issue date, it is better to select the Release EDI Message Directly check box in the Purchase Contract Line Logistic Data (tdpur3102m000) session and/ or the Item - Purchase Business Partner (tdipu0110m000) session. If you select the Release EDI Message Directly check box, LN automatically
generates EDI messages for Scheduled purchase release lines, which Electronic Commerce sends to
the supplier.
Purchase releases - additional information - The way in which LN handles schedule lines in a purchase release
also depends on the value of the Tax Purchase Release Line check box in the Purchase Contract Parameters (tdpur0100m300) session.
- If, after sending a release, the released requirements of the
nonreferenced schedule are deleted, you can run the Generate Release Lines (tdpur3222m000) session to create a release with no
requirements. Because no lines are available for clustering, LN creates a release line
for the item with a quantity of zero in the Purchase Release Line - Details (tdpur3522m000) session. In this way, the supplier is
informed about the cancellation of the previously communicated requirements.
For referenced schedules, LN automatically communicates the cancellation
to the supplier. For more information, refer to Zero required quantity for sales schedule lines.
- For nonreferenced schedules that must be sent in a purchase
release, LN retrieves a
purchase schedule's warehouse from the Purchase Schedules (tdpur3110m000) session. For referenced schedules, however, LN retrieves the purchase
schedule's warehouse from the Purchase Schedule - Lines (tdpur3111m000) session, which can differ from line to line. As
a result, the schedule lines of the same pull call-off schedule can be stored
under different purchase releases.
- You can print the differences between two release revisions of
a purchase release in the Print Purchase Release Variance Reports (tdpur3422m100) session.
- You can delete purchase release revisions in the Delete Purchase Revisions (tdpur3222m200) session.
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