function enableOtherFieldsWhenAllowed() {
  privateFields.etIssueFeeEl().on('change keyup keypress', updateOtherFields);
  privateFields.etHearingFeeEl().on('change keyup keypress', updateOtherFields);
  privateFields.etReconsiderationFeeEl().on('change keyup keypress', updateOtherFields);
  privateFields.eatIssueFeeEl().on('change keyup keypress', updateOtherFields);