What Does PIRN Stand For?

PIRN stands for Preliminary Interface Revision Notice

PIRN, or Preliminary Interface Revision Notice, is a formal communication tool used to inform stakeholders about proposed changes to project interfaces at an early stage. This notice outlines the key modifications, their potential impacts, and the rationale behind them, enabling timely feedback and collaboration among involved parties to ensure alignment before final implementation.

Added on 14th April 2008 | Last edited on 16th June 2025 | Edit Acronym