on_silk_road_innovation_gui = {
    scope = innovation_type
    is_valid = {
        always = no
    }
}

is_better_played_with_tgp_gui = {
    is_valid = {
        always = no
    }
}

tgp_has_access_to_ministry_trigger_gui = {
    is_valid = {
        always = no
    }
}

coronation_trigger_gui = {
    is_valid = {
        coronation_trigger = yes
    }
}