Purview Unified Catalogue Gov Domains Numeric Prefixing

Has Anyone Tried Numeric Prefixing for Governance Domains in Purview?

Context:
We introduced a structured numeric prefixing system for governance domains in Microsoft Purview to make hierarchical sorting more intuitive.

What we did:

Parent domains use a base prefix ending in .00 (e.g., 02.00 Group).
Child domains are numbered sequentially (e.g., 02.01 Directorate, 02.01.01 Team).

Why:
Purview sorts domains alphabetically, which caused child domains (e.g., 02.01) to appear above their parent (02 Group). Adding .00 ensures parents always sort before children, creating a clear hierarchy.

How it works:

All already have 01.00-

Top-level groups: 02.00
Directorates: 02.01, 02.02
Teams/Units: 02.01.01

This approach guarantees correct sorting, clear hierarchy, and scalability for future additions?

Question for the community:

Has anyone else implemented a similar numeric prefixing approach in Purview?
Do you think this is a good idea for maintaining clarity and scalability?
Any alternative strategies you’ve found effective?