Published on 01/12/2025

EPCIS Event Models: Commission, Pack, Ship, Decommission

Understanding EPCIS and Its Importance in Pharmaceutical Serialization

The Electronic Product Code Information Services (EPCIS) is a critical framework established to enhance visibility and traceability within the pharmaceutical supply chain. As regulatory bodies, including the FDA in the US and the European Medicines Agency (EMA), emphasize data integrity, the EPCIS framework becomes paramount for compliance, especially under the Drug Supply Chain Security Act (DSCSA) and EU Falsified Medicines Directive (FMD) requirements. The necessity for effective serialization and aggregation methods ensures that every product can be tracked from production to patient administration.

The EPCIS event models serve as the backbone of this framework by standardizing how key events are reported and captured. This article provides a detailed exploration of the EPCIS event models related to Commission, Pack, Ship, and Decommission, discussing their importance in master data governance and interface validation within the context of serialization and aggregation.

Step 1: Establishing User Requirements Specification (URS) for EPCIS

A well-defined User Requirements Specification (URS) serves as the foundation for any serialization or aggregation project. It outlines the functionalities needed to comply with regulatory demands and operational requirements.

To create an effective URS, consider the following steps:

• Identify Stakeholders: Engage with cross-functional teams, including compliance, quality assurance (QA), operations, and IT, to gather diverse perspectives.
• Define Functional Requirements: Detail specific needs for data capture, reporting, and transaction logging. This includes identifying serialization URS such as scanning technology requirements and data communication protocols.
• Specify Regulatory Requirements: Clearly outline compliance with applicable regulations such as DSCSA and EU FMD. Include aspects of exception handling and reconciliation rules.
• Document Acceptance Criteria: Identify how success will be measured through audit trail review and data integrity assessments that meet ALCOA+ principles.

Once developed, the URS will not only guide the validation process but also facilitate a deeper understanding of master data flows, enabling the identification of aggregation hierarchy within the system.

Step 2: Defining EPCIS Event Models

The EPCIS event models can be broadly categorized into four key events that are crucial for compliance and supply chain integrity: Commission, Pack, Ship, and Decommission. Understanding each event is essential for designing a robust serialization strategy.

Commission Event

The Commission event represents the creation and assignment of a unique identifier to a product. This event marks the point at which a product is serialized with a unique Global Trade Item Number (GTIN), which is critical for tracing its journey through the supply chain.

In practice, this involves:

• Generating and associating a Serial Number with the GTIN.
• Ensuring that appropriate data fields are recorded, including production date, expiration date, and lot number.
• Implementing checks within the system to enforce compliance with DSCSA and EU FMD requirements.

Pack Event

The Pack event captures the packaging of a product, where individual units are aggregated into a higher-level package (e.g., boxes or pallets). This is crucial for establishing an aggregation hierarchy which helps in tracking products at different packaging levels.

The steps to manage this event include:

• Identifying the parent-child relationships in the packaging process.
• Recording the aggregation of units (e.g., number of vials in a box) using appropriate identifiers.
• Establishing interface validation processes to ensure that aggregation data flows correctly through the necessary systems.

Ship Event

The Ship event represents the movement of goods from one location to another. Accurate documentation of this event is essential for supply chain integrity and compliance verification.

Key considerations include:

• Implementing reconciliation rules to ensure the accuracy of shipped products against orders.
• Capturing shipment details, including destination, transport conditions, and carrier information.
• Ensuring an audit trail is maintained to support regulatory and internal compliance checks.

Decommission Event

The Decommission event signifies the removal of a product from the supply chain, which may occur due to withdrawal, expiration, or other regulatory reasons. Effectively managing decommissioning is vital for ensuring that only compliant products remain in circulation.

This event necessitates:

• Identifying the reasons for decommissioning and documenting them accordingly.
• Updating the master data flows to reflect changes and maintain data integrity.
• Handling exceptions and reporting them through established channels, potentially triggering corrective and preventive action (CAPA) as necessary.

Step 3: Implementing Master Data Governance

Master data governance is integral to the effective execution of serialization and aggregation processes. It ensures that the data generated and utilized conforms to quality standards and regulatory requirements.

To establish robust governance, follow these guidelines:

• Data Ownership: Designate data stewards responsible for the accuracy of master data across systems.
• Data Quality Standards: Institute strict entry protocols to ensure that all master data adheres to established quality criteria, facilitating compliance with ALCOA+ principles.
• Access Controls: Implement controls to limit data access and modifications, reducing the risk of discrepancies and ensuring only authorized personnel can make changes.

Furthermore, regular auditing of master data flows should be prescribed to ensure compliance and uncover potential issues such as serialization change control and interface validation lapses.

Step 4: Interface Validation and Exception Handling

Interface validation is a critical aspect of managing EPCIS event data. Interfaces must function correctly to ensure that data flows seamlessly between systems involved in serialization and aggregation.

Steps to validate interfaces include:

• Requirement Traceability: Validate that the interfaces meet the requirements defined in the URS. This should encompass all aspects from data input to export.
• Testing Procedures: Develop comprehensive test plans that cover all functional scenarios. This includes validating connections and data integrity checks as per the defined reconciliation rules.
• Error Handling: Build robust exception handling mechanisms that can capture and report discrepancies or errors in data flow.

Moreover, exception handling procedures should be developed in alignment with compliance needs, ensuring that instances of data integrity risks are promptly addressed and documented.

Step 5: Monitoring and Maintaining Compliance

Continuous compliance is not an end but an ongoing process. Monitoring and maintaining EPCIS event data requires systematic oversight and periodic reviews.

Strategies to maintain compliance include:

• Regular Audits: Schedule routine audits of master data and EPCIS event logs to ensure adherence to compliance requirements and regulatory guidelines.
• Training Programs: Instill a culture of compliance by conducting regular training programs for personnel involved in serialization, aggregation, and data handling.
• Change Control Mechanisms: Establish change control protocols to manage modifications to any part of the system impacting EPCIS event processing. This includes serialization change control to address new requirements or changes in operational processes.

In conclusion, the evolving landscape of pharmaceutical supply chains emphasizes the necessity for robust EPCIS event models. The Commission, Pack, Ship, and Decommission events, along with proper URS documentation, master data governance, and interface validation, lay the groundwork for effective serialization and aggregation strategies. Maintaining rigorous compliance with regulatory requirements not only ensures the integrity of pharmaceutical products but also upholds public confidence in the safety and efficacy of medications.