Does the Knesset Pay Tax on Disposables?

Mk Yisroel Eichler (UTJ) is pretty clever. 
With the start of what is thought to be a 5th Covid-19 wave, this time of the Omicron variant, Eichler has submitted an urgent request to freeze and suspend the recent tax hike of disposable dishes.
According to Eichler, with the precautions being taken and those requested of the public, it makes sense to encourage the public to use disposable dishes and cutlery, for hygienic reasons, and cut down on the possible spread of the virus. Eichler explains further that the Knesset cafeteria has been instructed to only use disposable dishes for now for this very reason. Eichler says the blood of the rulers is not more red than the blood of the ruled, so it makes no sense that the health of the rulers requires the use of disposables while kids in kindergartens and schools and homes have to be highly taxed discouraging the use of disposables.
According to Eichler the public should be encouraged right now to use disposables to prevent and minimize contagion, and to that end the recent tax imposed should be frozen.source: Kol Hai News, Actualic
Halevai.
But.
But, Eichler does not say if the Knesset cafeteria is exempt from paying the tax or is being encouraged to use disposables despite having to pay higher prices due to the tax. It sounds like, from Eichler's comparison, that the Knesset is exempt from the tax. Is that the case or do they pay? I would imagine that the cafeteria is probably run by a third party vendor who won a tender for this, and probably has to pay it like anyone else, but that is just a guess.
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