Poland will not be abiding the new migration pact nor will they pay any fines. Poland is currently exempted from taking in any more future doctors and engineers because they’re already housing many Ukrainians refugees. However this deal with the EU is not permanent and may change in the future.
The official Polish government response (machine translation needed)
https://www.gov.pl/web/mswia/polska-nie-bedzie-przyjmowac-migrantow-z-innych-panstw-ani-ponosic-kosztow-z-tym-zwiazanych-wchodzi-w-zycie-pakt-migracyjny
Pro EU news organisation.
https://www.euronews.com/my-europe/2026/06/13/eu-migration-pact-what-it-means-for-poland-and-europe