‘Our lives are more important than their lives’: Gazans not suspected of terrorism are detained and sent as human shields to search tunnels and houses before IDF soldiers enter, with the full knowledge of senior Israeli officers, several sources say; IDF claims this practice is forbidden
Literally a supreme court decision - https://www.nytimes.com/2005/10/06/international/middleeast/israel-bans-use-of-palestinian-civilians-as-human.html (yes it was official policy and the idf appealed after being told to stop)
After the decision, it was still done in military operations