U may not be able to do withdrawls on an unregistered account. The maximum u can recieve on a personal account is $500 or £266 per month. On a business account there is no limit.
You can find out ure Withdrawl limit by logging on Click Here.
Click the "View Limits" link next your balance information.
Payment is slightly different. If u have an account then u can pay up to $10,000 or £5,321.53 per transaction. If u dont have an account then the limit is $4,000 or £2,128.61