Click on the “Settings” tab in the menu, then tick the “Contracts” box.
A new menu tab will appear. Select the “Contracts” tab. Then click “Watch”.
Select “Custom Contract”, then click “Next”.
In the “Network Address” box, paste in the contract address found on the official BlockCAT website, the same one used to purchase CAT.
In the “Contract name” box you can write any name to help you remember which contract this is.
In the “Contract abi” box, paste in everything from this page: https://raw.githubusercontent.com/BlockCatIO/token-sale/master/CATToken.abi
Click “Add Contract”.
Back on the “Contracts” tab of the menu, you can now open the contract address. In the “balanceOf” section, click “_owner: address” and select your Parity account, then click “Query” to see your balance. Click on the slider to change the display to units of CAT, otherwise it will display all decimal places as digits.