The IPC is silent on this subject. The IPSDC prohibits them. Your state health department may have requirements. You could have it go to a holding tank and have it pumped on a regular basis.
2024 International Private Sewage Disposal Code (IPSDC)
PRIVY.
A structure, not connected to a plumbing system, that is used by persons for the deposition of human body waste.
302.2
Privies shall be prohibited. Cesspools shall be prohibited, except where approved by the code official. Where approved, cesspools shall be designed and installed in accordance with
Chapter 10.
You mentioned this would be a rental cabin. The IRC 2024 edition has this appendix section
Codes /
I-Codes /
2024 International Residential Code (IRC)
Appendix CG Nonsewered Sanitation Systems
2024 International Residential Code (IRC)
The provisions contained in this appendix are not mandatory unless specifically referenced in the adopting ordinance.
User notes:
About this appendix: This appendix addresses the considerations that need to be taken into account by building officials regarding the placement and installation of nonsewered santiation systems in buildings.
This appendix would permit the installation of a of these systems and provide an exception to the general requirement in the International Plumbing Code and this code that sanitation devices be connected to the building drainage system.
CG101
INSIGHTS (3)
CG101.1
The provisions of this chapter shall apply to the installation of nonsewered sanitation systems.
INSIGHTS (2)
CG101.2
Nonsewered sanitation systems shall comply with
ANSI/CAN/IAPMO/ISO CG106.1.