According to reputable news sources. A threshold number would be 200,000 individuals, 10% of the prewar population of Gaza.

Only resolves “not before the end of the current war” if the current war is determined to have ended before the necessary number of refugees are accepted into other countries, or an insufficient number of survivors exist. Any date threshold issues resolved using the date in Gaza.

Refugees accepted into other countries count when acknowledged by the receiving country. Promises to accept refugees count from the date of the promise, but only if substantially that many refugees are actually accepted without delay; this does mean that it is possible for the question to be unresolvable as of a date later than when it finally does resolve.