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Processing GM RIB Rules Singly 
An RIB rule defines the processing path used to generate an expenditure budget in the Revenues Increasing the Budget (RIB) process. This enables you to specify the exact conditions under which you permit that revenues may be used to increase the budget.
Each RIB rule is assigned to a RIB object, which links a set of contributing revenue Grants Management (GM) account assignments to a set of receiving expenditure budget addresses. Furthermore, the RIB rule defines how the budget amount is calculated for increasing the budget on the receiving budget addresses.
You can process single RIB rules in the transaction GMRBRULE:
· You can review existing RIB rules by specifying the RIB object a RIB rule has been assigned to, or by selecting a posting/budget address contributing to a RIB object, for which a RIB rule already exists.
· You can also create single RIB rules. A new RIB rule can only be entered by selecting a posting/budget address, from which a new RIB object is derived using the derivation strategy for RIB objects defined in GM Customizing.
Before you can use this function, you must carry out the activities in the Revenues Increasing the Budget Section of the GM Implementation Guide (IMG).
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1. Access transaction GMRBRULE by going to the GM-GTE section of the Easy Access menu and choosing Budgeting ® Tools ® Revenues Increasing the Budget ® Edit Single Rule for GM RIB Object.
2. If you want to review an existing RIB rule, select the corresponding tab for RIB objects and use the search function. You can also enter the full account assignment for a RIB object, which a RIB rule is already assigned to, or select the tab for budget/posting addresses and enter an address that is linked to a RIB object. After the selection click the icon Display Rule, if you want to see the individual RIB rule information, or select Change Rule, if you want to change the RIB rule.
3. If you want to create a new RIB rule, select the corresponding tab for budget addresses/posting addresses and enter a revenue account assignment the new RIB object is to be derived from, to which a new RIB rule will be assigned. Then click the icon Create New Rule or Create New Rule Using Derivation Strategy.

The latter function can only be used if you have maintained a derivation strategy in the IMG activity Define Derivation Strategy for Rule Generation. In this case you will branch to the same screen as for creating a new RIB rule, but it already contains the settings as assigned by the derivation strategy. You can change these settings here. When you are done, save the new rule.
4. If you want to assign a posting/budget address to a RIB object, choose the tab for budget addresses and enter the desired posting/budget address which is not yet assigned.
5. Click on the icon Assign Address to RIB Object.
When you review an existing RIB rule or when you create a new RIB rule, the program branches to a detail screen after you select the desired function. On the detail screen, you see the RIB object and all contributing GM account assignments on the left-hand side. Definitions for calculating the RIB amount and the assignment of the receiving budget addresses are maintained on the right-hand side.
