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The PO_RULE_EXPENSE_ACCOUNTS table in Oracle E-Business Suite (EBS) 12.1.1 or 12.2.2 is a critical repository for procurement-related accounting rules, specifically governing how expense accounts are assigned to purchase orders (POs) based on predefined conditions. This table plays a pivotal role in the Procure-to-Pay (P2P) cycle by automating account distribution, ensuring compliance with organizational accounting policies, and reducing manual intervention in financial postings.

Table Structure and Key Columns

The PO_RULE_EXPENSE_ACCOUNTS table contains the following key columns:
  • RULE_ID: Primary key, uniquely identifying each accounting rule.
  • SEGMENT1–SEGMENT30: Flexfield segments storing General Ledger (GL) account combinations.
  • CREATION_DATE & CREATED_BY: Audit columns tracking rule creation.
  • LAST_UPDATE_DATE & LAST_UPDATED_BY: Audit columns for modifications.
  • ATTRIBUTE_CATEGORY & ATTRIBUTE1–ATTRIBUTE15: Descriptive flexfields for custom attributes.
  • START_DATE_ACTIVE & END_DATE_ACTIVE: Defines the rule's validity period.
  • ENABLED_FLAG: Boolean indicating whether the rule is active.

Functional Role in Oracle EBS

This table supports the Expense Account Rules functionality within Oracle Purchasing, enabling organizations to:
  • Automate Account Assignments: Rules dynamically assign GL accounts to PO lines based on criteria like item category, supplier, or project.
  • Enforce Consistency: Ensures uniform accounting treatment across procurement transactions.
  • Reduce Errors: Minimizes manual entry errors in account coding.
  • Support Multi-Org Structures: Rules can be org-specific or global, depending on configuration.

Integration with Other Modules

The table interacts with several EBS components:
  • General Ledger (GL): Validates account combinations against the chart of accounts.
  • Projects (PA): Allows project-specific account assignments when integrated with Oracle Projects.
  • Inventory (INV): Links item categories to expense accounts for inventory purchases.
  • Payables (AP): Passes account distributions to AP for invoice matching.

Technical Considerations

  • Indexes: Typically indexed on RULE_ID and ENABLED_FLAG for performance.
  • Flexfield Dependencies: Relies on the Accounting Flexfield structure defined in GL.
  • API Usage Modifications should use Oracle's public APIs (e.g., PO_RULE_EXPENSE_ACCOUNTS_PKG) rather than direct DML.

Customization and Extensions

Organizations often extend functionality by:
  • Adding custom validation via database triggers.
  • Integrating with third-party systems through middleware.
  • Creating custom reports using BI Publisher to audit rule usage.

Upgrade Implications

Between 12.1.1 and 12.2.2, the table structure remains largely unchanged, but 12.2.2 introduces:
  • Enhanced UI for rule management in the new Oracle Fusion-like interface.
  • Improved performance through optimized SQL in underlying packages.
In summary, PO_RULE_EXPENSE_ACCOUNTS serves as the backbone for automated accounting in Oracle Purchasing, bridging procurement actions with financial postings while maintaining configurability for diverse business requirements.