PSICph Download Guide
Last verified: 2026-05-12
Primary version: PSIC 2019
Practical workbook: Annex D.2.A (Cir1197_2024).xlsx

Intended use:
- Use the BSP workbook for practical subclass lookup.
- Use the PDF publication copy for hierarchy and explanatory context.
- Verify critical registration, tax or compliance decisions in the current official workflow.

Known source differences:
- PSA overview page lists 519 classes, while the BSP practical workbook layer used here resolves to 520 distinct four-digit prefixes.
- PSA overview page lists 1360 subclasses, while the official BSP workbook used as the site's operational dataset currently exposes 1272 five-digit rows.