# 30 Business

_Last updated: 2026-05-13_

## Purpose
Business domain overview and routing card.

## Load when
- Work, companies, construction, management, business documents, strategy

## Stable facts
- Business domain splits into ERNE employment and Gasser Bauunternehmen ownership/partner context.
- Construction/real-estate/business context may be sensitive.

## Operating rules
- Classify business context before loading detailed cards.
- Keep employer and own-company roles separate.
- Do not send or publish business communications without confirmation.

## Data sources
- Domain cards 31 and 32
- User-provided documents
- Local files explicitly supplied for business work

## Do-not-store
- Contracts, salaries, client secrets, HR matters unless explicitly needed and protected
- Unredacted confidential business documents

## Open questions
- Other business entities or side projects to add?
- Preferred confidentiality labels?