Unfortunately, you can’t cash bonds in the bank or other financial institutions. You have to use good old mail. You need to go to the official website of the Treasury and fill out the form. Once you complete it, you have to mail the bonds attached to the form via the address that was indicated in it. After the government checks the savings through the deposit your funds are transferred to you. If you don’t know how to fill it out, you need to read the instructions above. The Department of Revenue leaves the right to search your personal income and taxes you pay, since you may underpay taxes, so you will be fined.