you can email them, even write to them, does it actually make a difference? so you got your free variation several months after you disposed of your last firearm did you?Theres plenty of clues in this thread among others
They hold all the cards unless you have the money to take them to court and you would still likely lose as the HO statutory guidance for chief constables is exactky that guidance not statutory law.
We may not like it, but we play by their rules, simple as that.