207 Important dates to holders of 3% DEFENCE BONDS You will look forward to these dates if you have your savings invested in 3% Defence Bonds. These are the dates when interest is paid out. From the day you invest your first £5 in Defence Bonds they begin to earn 3% interest per annum. This interest is subject to income tax, but tax is not deducted at source. Defence Bonds can be bought in multiples of £5 for cash or with 6d., 2/6 or 5/- Savings Stamps collected in easy stages. Any individual may hold up to £1,000 in Defence Bonds.