The rules that use the category "<time_interval_unit-minute-sing>" are:

<time_point_name>

<h_hour> <offset_op> <up_to_two_digits-sing> <time_interval_unit-minute-sing>

<time_interval>

<digit-not_zero-pl> <time_interval_unit-hour-pl> and <minute_duration-sing> <time_interval_unit-minute-sing>

<digit-not_zero-sing> <time_interval_unit-hour-sing> and <minute_duration-sing> <time_interval_unit-minute-sing>

<minute_setting>

<digit-sing> <time_interval_unit-minute-sing>

<minutes-digit_sequence-sing> <time_interval_unit-minute-sing>