Services Inventory and Attributes - Temporal and Effective Date attributes for the Services Inventory

Services Inventory and Attributes

Chapter 21. Temporal and Effective Date attributes for the Services Inventory

Authored and Published By: The International Foundation for Information Technology (IF4IT), LLC

Executive Summary: Chapter Overview

IF4IT

The Bottom Line

Two date anchors govern Service temporality — Service Effective Date (when the Service became formally effective) and Next Review Date (the calculated date of the next scheduled review). These Walk-maturity attributes support audit, governance reporting, and overdue-review detection.

Core Concepts

Concept	Definition & Strategic Role
Service Effective Date	The date the Service became formally effective — typically when the Service Definition was finalized and the Service moved to its first operational lifecycle state.
Next Review Date	The calculated date of the next scheduled formal governance review — derived from Last Governance Review Date plus Service Review Cadence.

Quick Q&A

Question: Why is Next Review Date Calculated rather than Manual?

Answer: Because it can be derived automatically from two other attributes — Last Governance Review Date plus Service Review Cadence — making manual maintenance redundant and error-prone. Treating it as Calculated reduces the maintenance burden and prevents drift between the cadence and the date.

Question: Why is Service Effective Date separate from First Available Date (in the Lifecycle category)?

Answer: Because they answer different questions. Service Effective Date is the administrative effective date — when the Service Definition was formally adopted. First Available Date is the operational availability date — when the Service first became operationally usable by its Requester Community. The two can differ if the Service was effective administratively before becoming operationally available.

Read More Below

Temporal and Effective Date attributes capture the dates that anchor each Service in time — its effective date and its next scheduled review date.

Attribute Name	Maturity	Description and Notes
Service Effective Date	Walk	Description — The date the Service became formally effective — typically the date the Service Definition was finalized and the Service moved to its first operational lifecycle state. Benefit(s) — Provides historical anchor for Service tenure and evolution analysis. Supports audit and governance reporting. Source — Manual. Examples — 2025-09-15 Notes — May differ from First Available Date if the Service was effective administratively before becoming available operationally.
Next Review Date	Walk	Description — The date of the next scheduled formal review of the Service. Calculated from Last Governance Review Date and Service Review Cadence. Benefit(s) — Enables overdue-review detection. Supports proactive Service governance scheduling. Source — Calculated. Examples — 2026-09-15 Notes — Where automated, this attribute is Calculated from Last Governance Review Date + Service Review Cadence. Where manually maintained, ensure consistency with the cadence.

Attribute Name

Maturity

Description and Notes

Service Effective Date

Walk

Description — The date the Service became formally effective — typically the date the Service Definition was finalized and the Service moved to its first operational lifecycle state.

Benefit(s) — Provides historical anchor for Service tenure and evolution analysis. Supports audit and governance reporting.

Source — Manual.

Examples — 2025-09-15

Notes — May differ from First Available Date if the Service was effective administratively before becoming available operationally.

Next Review Date

Walk

Description — The date of the next scheduled formal review of the Service. Calculated from Last Governance Review Date and Service Review Cadence.

Benefit(s) — Enables overdue-review detection. Supports proactive Service governance scheduling.

Source — Calculated.

Examples — 2026-09-15

Notes — Where automated, this attribute is Calculated from Last Governance Review Date + Service Review Cadence. Where manually maintained, ensure consistency with the cadence.

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The International Foundation for Information Technology (IF4IT), LLC. Temporal and Effective Date attributes for the Services Inventory | Services Inventory and Attributes. https://if4it.org/best-practices/services-inventory-and-attributes/temporal-and-effective-date-attributes-for-the-services-inventory/ (accessed 2026-07-23).

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💡 The Bottom Line

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How to cite this page

The Bottom Line

Core Concepts

Quick Q&A