It's not really unique.
The women with 4 or more kids don't have to pay tax in Hungary since 2020.
From this month, 1 Oct 2025 the women with 3 or more kids also don't pay tax, and from 1 Jan 2026 the women with 2 or more kids won't pay tax.
I read something similar in Austria exists too. Maybe not zero tax, but tax benefits.
Anyway, it won't sort out collapsing birth rate. It won't help at all for the poor ones, the average slaves. No matter it's Poland, Hungary or any other country.
It's already too late for that! (Especially in Hungary, the real plan never was that. They invited the foreign, mostly Western European international corporations to Hungary with that promise: they will provide cheap labor, they don't have to pay tax, they get free land and government benefits (free money) + they get 70%+ of the EU benefits, money... I believe it is similar in Poland, too. In this kind of environment, where 1 takes everything, not possible to live, especially not in this kind of rotten capitalism!)
Basically they gave tax free environment 20+ years ago for foreigners, international corporations. They did not give a fuck about their local population. They've seen the west will throw them bones, and that was enough! Now that they see the obvious result, it's a disaster, they just try to keep their power as long as they can with similar, sounds good, but won't change anything in practice actions! Next year is selection - even if the average person doesn't care which gang is in power.
There are half a dozen similar "fake" gov action for "helping families", but the birth rate is still just a bit higher than EU average, nearly same like in Belgium - and probably slightly higher because of the gipsy population.
If people have to exist in an exploitative soc-commie-fascist but already capitalist gulag, what is the west and EU itself, no wonder they won't have kids.
So, overall,maybe it can help to push up the 1.2 birthrate what Poland has, but with all the similar actions, with lots of gipsies, Hungary could push it up to 1.5. Won't solve anything, better case, it will slow down a bit the process, that's all!
People who slave for daily survival won't even think about family, kids! These propagandist "benefits" mostly available, helpful for the ones, who anyway could afford kids, family.
Anyway, if it is a well-working (economical) system, how they advertise, the government's duty is not to take everything, then throw back bones (how the soc-commie-fascist regimes did), but provide that kind of environment which is liveable for 90%+ of the people. Regulate, tax foreign corporations, give EU money to locals, not mostly give back to westernian evil corps and not put the rest in their own pocket. Do NOT keep salaries artificially down, give back all the privacy rights etc. if Europe would be how they say it is, then probably the birth rate would not be problem in any European country!