Sync 2 sections properly

Project is for 0-day bids & 1 hours max..Not hiring over bidders..Payment will be 1 milestone of $23.00 released upon completed requested work..Person must check site FIRST then i will send the 2 files for editing,sit swill be open for checking and testing... Currently user checks-box to enable force payment in pre-filled settings page see 1st shot which works fine and it auto checksbox (enables ) in sell page fine, but if it's enabled in pre-filled page and i try or disable in sell page it will still be enabled ,,need this fixed so user can uncheck and disable the feature from sell page….If you can fix this message me.. If fix is successful you will need to tell me the changes made so i can add to my original files then i will release & close project after that.. Our Written Contract is: No Ftp logins Not interested in Teams.... Project is for 0-day bid and closes at 1-hour end. Do-Not request Skype I.D. or try take my project out of Freelancer Never request the htaccess file Agreement is :You understood written agreement