Nevermind...I found it. You have to wear shoes (or more specifically, not be barefoot). Maybe you can find something I can't.
(*)REFUSAL TO TRANSPORT UA RULE: 0035
UA WILL REFUSE TO TRANSPORT OR WILL REMOVE AT ANY POINT, ANY PASSENGER:
GOVERNMENT REQUEST -
A) GOVERNMENT REQUEST OR REGULATIONS--WHENEVER SUCH ACTION IS
NECESSARY TO COMPLY WITH ANY GOVERNMENT REGULATION, OR TO COMPLY WITH
ANY GOVERNMENTAL REQUEST FOR EMERGENCY TRANSPORTATION IN CONNECTION
WITH THE NATIONAL DEFENSE, OR WHENEVER SUCH ACTION IS NECESSARY OR
ADVISABLE BY REASON OF WEATHER OR OTHER CONDITIONS BEYOND ITS CONTROL
(INCLUDING, BUT WITHOUT LIMITATION, ACTS OF GOD, FORCE MAJEURE,
STRIKES, CIVIL COMMOTIONS, EMBARGOES, WARS, HOSTILITIES, OR
DISTURBANCES) ACTUAL, THREATENED, OR REPORTED.
SEARCH OF PASSENGER -
B) SEARCH OF PASSENGER OR PROPERTY--WHO REFUSES TO PERMIT SEARCH OF
HIS/HER PERSON OR PROPERTY FOR EXPLOSIVES OR A CONCEALED, DEADLY, OR
DANGEROUS WEAPON OR ARTICLE.
PROOF OF IDENTITY -
C) PROOF OF IDENTITY--WHO REFUSES ON REQUEST TO PRODUCE
IDENTIFICATION WHICH REFLECTS THE SAME FULL NAME INFORMATION DISPLAYED
ON THE TICKETS(S).
NOTE: UA SHALL HAVE THE RIGHT, BUT SHALL NOT BE OBLIGATED, TO REQUIRE
IDENTIFICATION OF PERSONS PURCHASING TICKETS AND/OR PRESENTING A
TICKET(S) FOR THE PURPOSE OF BOARDING THE AIRCRAFT.
ACROSS INT'L BOUNDARIES -
D) ACROSS INTERNATIONAL BOUNDARIES--WHO IS TRAVELING ACROSS ANY
INTERNATIONAL BOUNDARY IF:
1) THE TRAVEL DOCUMENTS OF SUCH PASSENGER ARE NOT IN ORDER;
2) FOR ANY REASON, SUCH PASSENGER'S EMBARKATION FROM, TRANSIT
THROUGH, OR ENTRY INTO ANY COUNTRY FROM, THROUGH, OR TO WHICH SUCH
PASSENGER DESIRES TRANSPORTATION WOULD BE UNLAWFUL;
3) SUCH PASSENGER FAILS OR REFUSES TO COMPLY WITH THE RULES AND
REGULATIONS OF UA.
E) SAFETY
1) IN THE FOLLOWING CATEGORIES WHERE REFUSAL TO BOARD OR REMOVAL
FROM THE AIRCRAFT MAY BE NECESSARY FOR THE SAFETY OR COMFORT OF
THEMSELVES AND OTHER PASSENGERS:
A) PERSONS WHOSE CONDUCT IS OR HAS KNOWN TO BE DISORDERLY,
ABUSIVE, OR VIOLENT (NOTE: UA WILL NOT REFUSE TO PROVIDE
TRANSPORTATION TO A QUALIFIED INDIVIDUAL WITH A DISABILITY SOLELY
BECAUSE THE DISABILITY RESULTS IN APPEARANCE OR INVOLUNTARY BEHAVIOR
THAT MAY OFFEND, ANNOY, OR INCONVENIENCE CREW MEMBERS OR THEIR
PASSENGER).
B)
PASSENGERS WHO ARE BAREFOOT.
C) ANY CUSTOMER TICKETED ON A UNITED OR UNITED EXPRESS FLIGHT
AND MEETING ONE OR MORE OF THE FOLLOWING CRITERIA MUST EITHER PURCHASE
A TICKET FOR AN ADDITIONAL SEAT, OR PURCHASE AN UPGRADE TO A CABIN WITH SEATS THAT ADDRESS THE BELOW-LISTED SCENARIOS.
-ARE UNABLE TO FIT INTO A SINGLE SEAT IN THE TICKETED CABIN;
-ARE UNABLE TO PROPERLY BUCKLE THE SEATBELT USING A SINGLE
SEATBELT EXTENDER; AND/OR
-ARE UNABLE TO PUT THE SEAT’S ARMRESTS DOWN WHEN SEATED.
THE SEAT PURCHASE OR UPGRADE MUST BE COMPLETED FOR EACH LEG OF THE
ITINERARY. IF A CUSTOMER MEETING ANY OF THE ABOVE-LISTED CRITERIA
DECIDES NOT TO UPGRADE OR PURCHASE A TICKET FOR AN ADDITIONAL SEAT, HE
OR SHE WILL NOT BE PERMITTED TO BOARD THE FLIGHT.
D) PERSONS WHO APPEAR TO BE INTOXICATED OR UNDER THE INFLUENCE
OF DRUGS. (OTHER THAN A QUALIFIED DISABLED INDIVIDUAL WHOSE APPEARANCE
OR INVOLUNTARY BEHAVIOR MAY MAKE THEM APPEAR TO BE INTOXICATED OR UNDER
THE INFLUENCE OF DRUGS.)
E) PERSONS KNOWN TO HAVE A COMMUNICABLE DISEASE OR INFECTION
WHICH HAS BEEN DETERMINED, BY THE U.S. SURGEON GENERAL, THE CENTER FOR
DISEASE CONTROL, OR OTHER FEDERAL PUBLIC HEALTH AUTHORITY KNOWLEDGEABLE
ABOUT THE DISEASE OR INFECTION, TO BE TRANSMISSIBLE TO OTHER PERSONS IN
THE NORMAL COURSE OF THE FLIGHT. IF THE PASSENGER WITH THE
COMMUNICABLE DISEASE OR INFECTION PRESENTS A MEDICAL CERTIFICATE GIVING
APPROVAL TO TRAVEL AND STATING ANY CONDITIONS FOR TRAVEL, UA SHALL
PROVIDE TRANSPORTATION TO THE PASSENGER UNLESS IT IS NOT FEASIBLE TO
IMPLEMENT THE CONDITIONS SET FORTH IN THE MEDICAL CERTIFICATE AS
NECESSARY TO PREVENT THE TRANSMISSION OF THE DISEASE OR INFECTION TO
OTHER PERSONS IN THE NORMAL COURSE OF THE FLIGHT.
F) PERSONS WHO HAVE A MALODOROUS CONDITION (OTHER THAN
INDIVIDUALS QUALIFYING AS DISABLED).
G) PERSONS WHO ATTEMPT OR HAVE BEEN KNOWN TO INTERFERE OR
ATTEMPT TO INTERFERE WITH ANY MEMBER OF THE FLIGHT CREW IN THE PURSUIT
OF THEIR DUTIES.
H) PERSONS WHO ARE MENTALLY DERANGED OR MENTALLY INCAPACITATED
WHOSE BEHAVIOR MAY BE HAZARDOUS TO HIMSELF/HERSELF, THE CREW, OR OTHER
PASSENGERS. HOWEVER, UA WILL ACCEPT ESCORTED MENTAL PATIENTS IF THE
REQUESTING MEDICAL AUTHORITY FURNISHES A MEDICAL CERTIFICATE WHICH
STATES THAT THE MENTAL PATIENT MAY BE TRANSPORTED SAFELY. THE ESCORT
MUST ACCOMPANY THE ESCORTED PASSENGER AT ALL TIMES.
I) PERSONS WHO ARE SERIOUSLY ILL, WHO CANNOT OR REFUSE TO
PROVIDE A PHYSICIAN'S WRITTEN PERMISSION TO FLY.
J) PERSONS WHO WEAR OR HAVE ON OR ABOUT THEIR PERSONS
CONCEALED OR UNCONCEALED DEADLY OR DANGEROUS WEAPONS; PROVIDED HOWEVER,
THAT UA WILL CARRY PASSENGERS WHO MEET THE QUALIFICATIONS AND
CONDITIONS ESTABLISHED IN F.A.R. 108.219.
K) MANACLED PERSONS IN CUSTODY OF LAW ENFORCEMENT PERSONNEL,
OR PERSONS WHO HAVE RESISTED OR MAY REASONABLE BE BELIEVED TO BE
CAPABLE OF RESISTING ESCORTS.
L) UNACCOMPANIED PASSENGERS WHO ARE BOTH BLIND AND DEAF, UNLESS
SUCH PASSENGER IS ABLE TO COMMUNICATE WITH REPRESENTATIVES OF UA BY
EITHER PHYSICAL, MECHANICAL, ELECTRONIC, OR OTHER MEANS. SUCH
PASSENGER MUST INFORM UA OF THE METHOD OF COMMUNICATION TO BE USED.
M) PERSONS WHO WOULD REQUIRE UNUSUAL OR UNREASONABLE TYPE OF
ASSISTANCE OR MEDICAL TREATMENT ENROUTE, CONFIRMED BY A UA PHYSICIAN,
UNLESS ACCOMPANIED BY A TICKETED PASSENGER CAPABLE OF GIVING NECESSARY
ASSISTANCE. UNITED AIRLINES PERSONNEL ARE NOT PERMITTED TO GIVE
HYPODERMIC INJECTIONS.
N) PERSONS WHO ARE UNWILLING/UNABLE TO ABIDE WITH NO-SMOKING REQUIREMENTS.
F) PASSENGER'S CONDUCT OR CONDITION
1) EXCEPT AS PROVIDED IN RULE 90 (OXYGEN SERVICE), AND
ELSEWHERE IN THIS RULE, UA MAY REQUIRE AN ATTENDANT TO ACCOMPANY A
DISABLED PASSENGER ONLY FOR SAFETY-RELATED REASONS AS OUTLINED BELOW.
A) WHO IS TRAVELING IN AN INCUBATOR;
B) WHO BECAUSE OF A MENTAL DISABILITY IS UNABLE TO
COMPREHEND OR RESPOND TO SAFETY RELATED INSTRUCTIONS;
C) WHO HAS BOTH A SEVERE HEARING AND VISION IMPAIRMENT
AND WHO IS UNABLE TO ESTABLISH A MEANS OF COMMUNICATION WITH UA
PERSONNEL SUFFICIENT TO RECEIVE THE SAFETY BRIEFING;
D) WHO HAS A MOBILITY IMPAIRMENT SO SEVERE AS TO BE
UNABLE TO ASSIST IN HIS/HER OWN EVACUATION.
2) CONDITIONS FOR ACCEPTANCE
UA WILL REQUIRE 48 HOUR ADVANCE NOTICE AND TWO HOUR ADVANCE CHECK IN
CONCERNING QUALIFIED DISABLED INDIVIDUALS WHO WISH TO RECEIVE ANY ONE
OF THE FOLLOWING SERVICES:
A) MEDICAL OR THERAPEUTIC OXYGEN;
B) CARRIAGE OF AN INCUBATOR
C) HOOK-UP OF A RESPIRATOR/VENTILATOR/KIDNEY TRANSPORT
MODULE TO THE AIRCRAFT ELECTRICAL POWER SUPPLY
D) ACCOMMODATION OF A GROUP OF 10 OR MORE DISABLED
INDIVIDUALS WHO ARE TRAVELING AS A GROUP;
E) TRANSPORTATION OF ELECTRIC WHEELCHAIR OR OTHER BATTERY
POWERED ASSISTIVE DEVICE;
NOTE: THE 48 HOUR ADVANCE NOTICE PROVISION IS REQUIRED ONLY ON
FLIGHTS SCHEDULED TO BE MADE WITH AN AIRCRAFT OF LESS THAN 60 SEATS FOR
WHICH THE DEVICE MIGHT HAVE TO BE COLLAPSED AND SEPARATE DANGEROUS
GOODS PACKAGING FOR THE BATTERY MAY BE REQUIRED;
F) REQUEST FOR ON BOARD WHEELCHAIR ON AN AIRCRAFT THAT
DOES NOT HAVE AN ACCESSIBLE LAVATORY.
THESE SERVICES ARE AVAILABLE ON UNITED OPERATED FLIGHTS AND MAY NOT BE
AVAILABLE ON UNITED EXPRESS FLIGHTS. PLEASE CONTACT A UNITED
REPRESENTATIVE TO RESERVE THESE SERVICES OR FOR FURTHER INFORMATION AT
1-800-UNITED-1 OR VISIT THE WEBSITE AT
WWW.UNITED.COM.
G) LIABILITY
UA IS NOT LIABLE FOR ITS REFUSAL TO TRANSPORT ANY PASSENGER OR FOR ITS
REMOVAL OF ANY PASSENGER IN ACCORDANCE WITH THE PRECEDING PARAGRAPHS OF
THIS RULE, BUT UA WILL, AT THE REQUEST OF THE PASSENGER, PROVIDE A
REFUND IN ACCORDANCE WITH RULE 260 (INVOLUNTARY REFUNDS). AS AN EXPRESS
PRECONDITION TO ISSUANCE OF ANY REFUND, UA SHALL NOT BE RESPONSIBLE FOR
DAMAGES OF ANY KIND WHATSOEVER. THE PASSENGER'S SALE AND EXCLUSIVE
REMEDY SHALL BE RULE 260 (INVOLUNTARY REFUNDS).