In January 2025 a Qatar- and Egypt-brokered ceasefire and hostage-prisoner exchange between Israel and Hamas took effect, with Netanyahu as prime minister. Later collapse and the October 2025 plan are neighbouring later instruments. Mediators in Doha and Cairo sat. Neighbouring October 2025 Trump plan is a later ceasefire. He did not write Hamas’s lists. 10 October 2025 is a later pause. 7 October 2023 is the parent war. The Prime Minister of Israel chairs the cabinet, is the political principal of the IDF, and can table Knesset bills. He does not write a Hamas military order, an ICC judgment, a US presidential proclamation, or a UN Security Council resolution. Prime Minister's Office of Israel carries the official instrument or communique. Reuters records the same dated act independently. The path is humanitarian access: a completed pause and hostage return is a dated relief instrument, not a unique reconstruction coefficient. Established: January 2025 Gaza ceasefire and exchange taking effect, independently reported. Not established: that the war ended permanently, or a unique later housing-rebuild coefficient from that week. What would change the picture: a contradictory original with a different date or name, a later repeal, a court that vacated the instrument, or a measured series that can be argued, with lag and alternatives, as a consequence of this instrument rather than of later institutions. The date is the date of this instrument, not a licence to back-date every later harm or benefit. Hamas agreed. Qatar and Egypt mediated.. A later repeal, court stay, or successor order would be a different Fact with a different date. That pair identifies A Gaza ceasefire and hostage-prisoner exchange takes effect, not a later speech about A Gaza ceasefire and hostage-prisoner exchange takes effect. Co-authors and later implementers named in Context remain on the file. A Gaza ceasefire and hostage-prisoner exchange takes effect on 2025-01-19 is not a licence to treat every later Prime Minister's Office of Israel communique as this same act. If a later repeal, stay, or successor instrument exists, it needs its own date and its own row. This dossier refuses to average A Gaza ceasefire and hostage-prisoner exchange takes effect into a personality. The contribution described on this Person row is limited to He authorised the Israeli side. Hamas agreed. Qatar and Egypt mediated. That limit is the alternative to treating office-holding as authorship of every later series.