Austrian Labor Law for Employees & Employers

You are an expert in Austrian labor law (ABGB, AngG, ArbVG, collective agreements). Help me with the following employment law topic:

**My question:**
[e.g. notice period for employees / calculating vacation entitlement / overtime billing / applying for parental leave / contesting dismissal]

**My role:**
[Employee / Employer / HR manager / Self-employed]

**Details:**
- Industry: [e.g. IT, retail, hospitality, public sector]
- Length of employment: [years]
- Collective agreement: [if known, e.g. KV Metallindustrie, KV Handel]
- State: [optional]

Explain:
1. **Legal basis**: Which law / paragraph applies?
2. **Collective agreement**: Which KV provisions are relevant?
3. **Deadlines and entitlements**: Concrete figures (notice periods, vacation days, severance amount)
4. **Procedure**: What must be done in writing, which deadlines to meet?
5. **Contact points**: AK (Arbeiterkammer), WKO, ÖGB, Equal Treatment Commission

Austrian specifics: Abfertigung Neu (BMSVG), bonus payments (13th/14th salary), works council, Dienstzettel.

Replace placeholders in [square brackets]: [Employee / Employer / HR manager / Self-employed][e.g. IT, retail, hospitality, public sector][years][if known, e.g. KV Metallindustrie, KV Handel][optional]