Selling your shares back to your company

1. Why might I want to sell shares back to the company, and why might the company want to buy its own shares?
2. Is a company allowed to purchase its own shares?
3. Who can authorise the purchase by the company?
4. What resolutions are required?
5. Do we need approval from creditors for the company to purchase its own shares?
6. How is the price determined?
7. Can the company buy back shares when it has 'insider' information?
8. Does the company need to have enough retained profits to cover the purchase price?
9. Do we need to notify anyone if the company buys back shares?
10. What are the tax consequences for me if I sell my shares back to the company?
11. What are the tax consequences for the company if it buys back my shares?
12. What happens to the shares once the company has purchased them?
13. How does the company cancel the shares it has bought back?
14. Is there any advantage to holding treasury shares?
15. Do treasury shares have the same rights as other shares?
16. What are the rules for redeemable shares?