private boolean validateAwardMassChange(PersonMassChange personMassChange) {
    boolean isValid = true;

    AwardPersonMassChange awardPersonMassChange = personMassChange.getAwardPersonMassChange();

    if (awardPersonMassChange.isUnitContact()) {
      isValid &= validatePerson(personMassChange, AWARD_UNIT_CONTACT_FIELD, AWARD_UNIT_CONTACT);
    }

    if (awardPersonMassChange.isSponsorContact()) {
      isValid &=
          validateRolodex(personMassChange, AWARD_SPONSOR_CONTACT_FIELD, AWARD_SPONSOR_CONTACT);
    }

    return isValid;
  }