Purpose of the third pillar
The restricted private pension plan (3a)
- There is a maximum amount that you can pay into your account each year. 
- More advantageous interest rates than in a savings account. 
- The contributions you make are tax-deductible. 
- The withdrawal of Pillar 3a savings is subject to strict conditions. 
- When withdrawing Pillar 3a savings, you must pay a one-off tax based on your income at the time of withdrawal. 
The unrestricted pension plan (3b)
- You can make unlimited annual contributions each year. 
- You must declare your accumulated capital to the tax authorities each year 
- The capital is generally taxed annually. 
- You can withdraw the capital at any time. 
- You are not subject to additional tax when you withdraw your savings. 
- You already pay contributions to a 2nd pillar (generally employees). 
- You do not have OPA pension plan (generally self-employed persons). 
- You live abroad but work in Switzerland (e.g. cross-border workers). 
- You receive a daily allowance from Swiss unemployment insurance. 
- You receive a daily allowance from Swiss disability insurance, which is subject to AHV contributions. 
- You are a partially disabled insured person who is gainfully employed and whose income from this employment is subject to OASI (AHV, AVS) contributions. 
- If you have reached retirement age but are still working, you can continue to pay contributions until five years after the age of 65. 
- You can continue to pay contributions even if you temporarily stop working (during civil or military service, unemployment, illness, etc.). 
- You want to buy or build your own home. 
- You are leaving Switzerland for good. 
- You intend to become self-employed. 
- You decide to change your self-employed activity. 
- You want to buy back years of lost contributions to a 2nd pillar pension fund. 
- You are receiving a full disability (IV/AI) pension and the risk of disability is not insured