BOSTON — A Boston Jewish organization is calling on the U.S. to suspend ties with Poland over its controversial Holocaust law.READ MORE: Poland’s president says country didn’t participate in HolocaustThe Ruderman Family Foundation, a philanthropic organization, is circulating an online petition and video in which supporters repeatedly say “Polish Holocaust” in defiance of the new law, which would effectively ban such statements.WATCH: Trudeau says anti-Semitism present in Canada  The law allows for prison terms of up to three years for blaming Poles for crimes committed by Nazis who occupied Poland during World War II.READ MORE: Poland signs controversial bill banning its blame for Holocaust crimesThe law takes effect Feb. 28 but is being reviewed by Poland’s constitutional court. It has sparked a bitter conflict with Israel, where it is seen as trying to whitewash the actions of some Poles during the war.The foundation says more than 3 million Polish Jews were killed in the Holocaust.