The AirBNB is an option at the National Joint Council travel directive of what acceptable accomodation is defined as is pretty broad; excerpt and the link below. Have used it a few times in the past for TD and the cost is just capped at whatever the local rate is. NJC actually specifically encourages non-hotel accomodations over 30 day stays, so things like AirBNB is probably the easiest way to do that (having previously had the joy of being on IR for 18 months).
Aside from being cheaper, where I'm at able to get a much better location and usually can find a suite/kitchenette, so it's a win for everyone.
There is actually a CANFORGEN that specifically allows it as well; not sure why there is a caveat when there isn't one on the NJC directive, but my particular TD went through several layer of travel approvals and the section 32 already, so not too worried about it. Not really sure what kind of hypothetical would result in someone having to pay it back, but anyway, included that ref and excerpt as well FYSA. If you read the NJC, the requirement to use the gov directory of hotels includes the caveat that it's normally done on a GoC travel card, but that requires the employee's consent(see 1.61). I don't have one, and don't want one, so bit of a bit of circular BS to force people to use the NJC on their own credit card, so would call that an easy grievance to bounce up if that was their logic.
In any case, my actual TD claim is a few thousand less then it could be after some intentional cost cuttings on my end when I submitted it, so bit annoyed to get dinged for $200 for a 4 week trip because someone doesn't consider on site travel requirements in the cost comparison.
Refs:
https://www.cfla-alfc.org/canforgens/canforgen-047-19/
CANFORGEN 047/19 – USE OF RIDE SHARING SERVICES AND ACCOMMODATION BOOKING PROGRAMS
REFS: A. COMPENSATION AND BENEFIT INSTRUCTIONS, CHAPTER 208
B. CANADIAN FORCES INTEGRATED RELOCATION PROGRAM
C. CANADIAN FORCES TEMPORARY DUTY TRAVEL INSTRUCTIONS
D. DCBA 3 001/19 281950Z FEB 19
E. DCBA 3 002/19 281944Z FEB 19
AS PART OF ONGOING EFFORTS TO MODERNIZE AND STREAMLINE THE ADMINISTRATION OF CAF TRAVEL AND RELOCATION POLICIES AND PROCESSES, I AM PLEASED TO ANNOUNCE NEW GUIDELINES WITH REGARD TO THE ADMINISTRATION OF RIDE SHARING SERVICES AND ACCOMMODATION BOOKING PROGRAMS SUCH AS UBER AND AIRBNB. CAF MBRS WILL BE ABLE TO TAKE ADVANTAGE OF RIDE SHARING SERVICES AND ALTERNATIVE ACCOMMODATION BOOKING PROGRAMS, IN LOCATIONS WHERE THEY ARE NOW LEGAL/REGULATED, IAW REFS WHILE ON TD,OR DURING RELOCATION
WITH REGARD TO TD, USE OF RIDE SHARING SERVICES MAY BE REIMBURSED AS A MODE OF LOCAL TRANSPORTATION. ADDITIONALLY, ALTERNATIVE ACCOMMODATION BOOKING PROGRAMS MAY BE SELECTED BY THE APPROVING AUTHORITY IF NONE OF THE ACCOMMODATIONS LISTED IN THE ACCOMMODATION AND CAR RENTAL DIRECTORY (ACRD) ARE AVAILABLE.
WITH REGARD TO RELOCATIONS, RIDE SHARING SERVICES ARE DEEMED ACCEPTABLE EXPENSES WHEN USED AS AN ALTERNATIVE TO OTHER LOCAL PUBLIC TRANSPORT OPTIONS. ADDITIONALLY CAF MBRS MAY BE REIMBURSED ALTERNATIVE ACCOMMODATION BOOKING EXPENSES UP TO THE RATES ESTABLISHED IN THE ACRD BASED ON THE NUMBER OF HOTEL/MOTEL ROOMS THEIR FAMILY WOULD HAVE BEEN ENTITLED TO
THESE NEW GUIDELINES TAKE INTO CONSIDERATION RESPONSIBLE MANAGEMENT OF PUBLIC FUNDS, AND MODERN PRACTICES WITHIN THE TRAVEL INDUSTRY. THEY AIM TO ENSURE THAT CLAIMS ARE ADMINISTERED IN A MANNER CONSISTENT WITH THE INTENT OF REFS A, B, AND C, WHILE SIMULTANEOUSLY RECOGNIZING CHANGING PRACTICES WITHIN THE TRAVEL INDUSTRY. DETAILED ADMINISTRATIVE GUIDELINES (REFS D AND E) CAN BE FOUND AT THE FOL LINK: HTTP://CMP-CPM.MIL.CA/EN/BENEFITS/BENEFITS-GENERIC.PAGE
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NJC directive Part III
https://www.njc-cnm.gc.ca/directive/d10/v238/s644/en#s644-tc-tm_3_1
3.3.1 Accommodation
The standard for accommodation is a single room, in a safe environment, conveniently located and comfortably equipped.
A variety of options for accommodation are available for travel. Generally these include hotels, motels, corporate residences, apartments, private non-commercial accommodation, and government and institutional accommodation.
In accordance with 1.6.1, government hotel directories shall be used for the selection of accommodation where properties are listed therein for the travel location. Where properties for a particular location are not listed, or are listed but not available for the travel period, the directories shall be used to help determine the cost of accommodation by comparing costs in similar nearby locations.