Just had this bulls**t from my insurance company on renewal
Had a email saying it's not on the thatchem list and I needed to call there recommend company to have one fitted
After a phone call to them with me explaining that it's factory fitted item from Yamaha, if you've not got the key it's not going anywhere as it's coded to the ecu, and it was good enough last year, then they needed to except it,
They agreed it would be fine, after being on hold 15 minutes,
I can't see why it's not on the thatchem list,
As far as I know all cars and bikes after 2000 or something had to have some kind of immobilizer and be approved and was fine
Guessing you've got the same company as me by the sounds of it,

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K+N filter, snorkel removed, homemade kev mod (with his blessing), co raised,
Pipeworx cans, r1 led back light, under tray removed, small indicators, handguards, cnc short levers,