The incident occurred during the traditional Eurovision delegation parade held on Sunday in Basel, Switzerland.
Although her first rehearsal was closed to the public, Raphael's performance reportedly has motifs of a caged bird.
The grand final will air on May 17 at 22:00 on Kan 11, online, on digital platforms, and Kan BOX.
The NSC's directives come two days after 70 former Eurovision participants penned an open letter demanding Israel not be allowed to take part.
"Your story is incredible, and every time I hear the song, my heart swells with pride," Herzog said
The law, which came in the wake of Hamas' attack on Israel on October 7, 2023, gives Swiss authorities "the necessary tools to take action against Hamas activities."
The athletes acted out of "personal feelings of discomfort and general empathy toward the situation" rather than out of political considerations, the letter reportedly stated.
This was just one of more than 250 pieces of artwork hanging in the original owner's villa in Poland before the SS forced him to sell his property in 1935.
The teams accompanying Raphael are afraid to reveal their names for safety and security reasons
Israel's foreign minister, Gideon Sa'ar, congratulated his team but criticized the Swiss team for its "disrespectful behavior."