I would have voted OTHER if it had been an option.
The hours in our PTO pool came from three places:
1) Vacation hours. Those unused hours roll over to the next year with no cap and are only paid out when you quit.
2) Sick hours. Those unused hours roll over to the next year with no cap and are only paid out when you quit.
3) Holiday hours, because in TV News holidays are regular work days. Those hours must be used in the year they were earned, they are use it or lose it and are never paid out.
My employer went to PTO in 2019, after a delay of over a year due to California labor laws. Our corporation has 64 locations, only two are in California. Corporate policy was going to be "use it or lose it" for all those hours. No carry over or payout except for hours you had on the books at the time you quit. Use it or lose it for vacation time is illegal in California. Vacation is considered part of your compensation, and all compensation in California MUST be given as time off or cash or allowed to be carried over. Corporate took a year trying to find a way around that law for our two California locations, with every avenue they followed ending with them being told they could not have a use it or lose it policy. So 62 locations outside California, it was lose it or use it, our locations it carried over, we were even on a different payroll system because of it. Corporate decided to lump sick time in with vacation time so unused sick time also carried over. Holiday time being the only thing that is use it or lose it.
My previous employer had 6 owners in the 16 years I worked there, and we were always the only California location. Every ownership change came with a transition period where corporate spent time trying to enforce policies that were illegal in California before giving up. Our location always had a supplement to the handbook that was about a dozen pages explaining what corporate policies did not apply to us..