Api For Sourcing Rule Assignment Definition

Oracle provides sourcing rules and bills of distribution to model multiple sources, including splitting production or purchases across plants or suppliers. These sourcing rules and bills of distribution are assigned to items, organizations, or categories using Assignment Sets.
Both sourcing rules and bills of distribution use effectivity dates to let you project changes to your supply chain over time. The effectivity date initially defaults to the system date; like effectivity dates in routings or bills of material, a “null” ending date means that the effectivity of the rule has no projected end.

1. For each effectivity range, you define the sourcing options associated with the rule. There are three possibilities:

Make At This option specifies that you will make any items associated with the rule at the receiving organization.

Buy From This option indicates that you will buy any items associated with the rule from a specified supplier. With the Buy From option, you must enter the appropriate supplier, and optionally, the supplier site.

Transfer From This option specifies a different organization within your enterprise as the source of items associated with this rule. With the Transfer From option, you identify the source organization; you must have already defined the shipping network between the source and receiving organization. You can also select a ship method from the shipping methods you defined in your shipping network; this will determine the in-transit time and shipping cost, which planning will use in its calculations.

2. Though the mechanics of defining sourcing rules and bills of distribution are much the same whether you’re running ASCP or SCP, they operate very differently based on your planning method and options.

For ASCP, you assign each option a priority code/Rank. A priority code serves as a method for defining multiple sourcing scenarios—all the options within a single priority code will be considered as a unit. Within a priority code, you assign a percentage to each sourcing option. For example, if you have a group of items that you plan to buy from two different suppliers, you might define a sourcing rule with two “buy from” options within the same priority, specifying 50 percent for each supplier. If an alternate scenario for the same set of items is to buy from a single supplier, you would define a second scenario (priority) within the same sourcing rule, assigning the single supplier 100 percent of the purchases. Within a single priority code, the percentages must total 100 percent, or the group of options will not be considered by planning.

For SCP, the entire rule is treated as a single scenario; each option typically has a different priority code, which is used to “break a tie” if two options have identical planning percentages

You can define sourcing rules, bills of distribution, and assignment sets in your ERP instances; they will be collected with other planning data in the data collection process. This approach makes sense if you have only one source instance, or if you want to use the same sourcing rules for other functions within your purchasing system. For example, you may want to use the same sourcing rules in your supplier item catalog that you use for planning.
You can also define sourcing rules, bills of distribution, and assignment sets on the planning server itself; this approach is useful if you will be planning for data collected from multiple ERP instances.

3. Sourcing and Assignment APIs
Oracle provides two APIs to create sourcing information—the Sourcing Rules/Bill of Distribution API and the Sourcing Rules/Bill of Distribution Assignment API. Their use is described in the Oracle ASCP and Global Order Promising Technical Reference Manual, available as part of the Oracle documentation library.
 

Sourcing Rules In Oracle

Sourcing rules and bills of distribution determine the movement of materials between organizations in your global enterprise;
these organizations include your suppliers and the materials include those items made at the manufacturing organizations.
They both describe sourcing supply; for any organization, they answer the question "where do I get part A from?". (They never say "where do I send part A to".)
Sourcing rules answer this question for one organization or for all organizations in the enterprise. Bills of distribution can define a strategy for multiple organizations.
Sourcing rules and bills of distribution both specify date-effective sourcing strategies, combining replenishment sources with split allocation percentages and rankings.

A sourcing rule is a statement of planned sources of supply.
Sourcing rule is global (available to all organizations) or local(available to the only organization in which it is defined)

3. A replenishment source is:
an inter-organization transfer (Transfer From)
the replenished organization that manufactures the item (Make At)
an external supplier (Buy From)

Make at:
This option specifies that you will make any items associated with the rule at the receiving organization.

Buy From:
This options specifies that you will buy any items associated with the rule from supplier. YOu must enter apt supplier and site (optional).

Transfer from:
This option specifies a diff organization within the enterprise as the source of the items.Using this option you will identify the source organization.
You must have already defined the shipping n/w b/w source and recv organization.

Ship method determines the intransit time and shipping cost which planning will use in its calculations.

all org: global rule
org: Local rule

assignment set is attached with plan for Planning purpose.

3. Allocation and rank in Sourcing rule
Allocation:
Rank:
You can rank the sources of supply named in the rules and bills, giving one priority over another when the planning process generates recommendations. You can also assign sourcing percentages to these sources, allowing you to allocate a portion of the total orders to each source
You cannot apply sourcing rules and bills of distribution (make them Planning Active) until the sum of the allocation percentages equals 100.

Both sourcing rules and bills of distribution have effective dates, periods during which the scheme is valid. For each period, you can specify a list of sources, type, allocation percentage, rank, shipping method, and intransit time.
You cannot apply sourcing rules and bills of distribution (make them Planning Active) until the sum of the allocation percentages equals 100.

4. Time Phasing in sourcing rule: Sourcing rules define inventory replenishment methods for either a single organization or all organizations in your enterprise.
Time-phasing in a sourcing rule determines when each group of shipping method - ship org combinations is in effect, as in this example:

5. Viewing Sourcing Rules:

6. Assigning Sourcing rule:

Sourcing rule themselves do not specify the items for which they will be used. This is the function of the assingment.
Assignment set:
Once you have defined your sourcing rules and bills of distribution, you must assign them to particular items and/or organizations.
These assignments are grouped together in assignment sets. this is literally set of assingnment sets.
This is where your various sourcing strategies define a particular supply chain network.
Assignment combination ass type,organization,item/category,source type should be unique accross assignment sets
We can have mulitple assignment sets each for a specific purpose.

7. Levels in Assignment sets:
In an assignment set can assign your sourcing rules and bills of distribution at different levels, as follows:

an item across all organizations
a single item in an inventory organization
all items in an inventory organization
categories of items
categories of items in an inventory organization
all organizations

8.
Assigned to: Each Sourcing rule can be assigned to:
a single item (across all organizations)
an item in a specific organization
all items in a specific organization
a category of items
a category of items in an organization
all items in all organizations (globally)

9. YOu can define multiple assignment sets and use them for different puposes
for example you can define one assignment set for production plan , one for simulated plan and other for Global order promising

It is possible that several assignments might apply for a given item:
Example You might have one assignment for an item and another assignment for the categorty to which the item belongs.
For planning purposes most specific assingnment is used.
You can check all the assignments that exists for an item using View Sourcing Assignment Hierarchy form.

Each assignment set to represents selection of organizations and/or items you want planned.
To influence the planning process, you must include an assignment set in your plan options.
MRP is used for managing sourcing of materials to meet demand.

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