The usual smoke and mirrors twisting to suit your own agenda
He had returned from the 2024 injury hence his declaration and his riding in order to pick up the new (and sickening) injury
Therefore he only missed the 1 season - 2025 - as a result of that injury
No reduction should be given for an initial declaration in 2026
If he is then declared and rides elsewhere it shouldn't applied to any redeclaration later in the 2026 season as he would not have missed more than 1 season