The rules that use the category "<second_setting>" are:

<latitude_setting>

<degree_setting-digit_sequence-not_initial_zero-90> <minute_setting> <second_setting>

<degree_setting-not_digit_sequence-not_initial_zero-90> <minute_setting> <second_setting>

<longitude_setting>

<degree_setting-digit_sequence-180> <minute_setting> <second_setting>

<degree_setting-not_digit_sequence-180> <minute_setting> <second_setting>