وإن أنزل بقبلة أو لمس: فسد اعتكافه، وعليه القضاء.
Translation: If ejaculation results from kissing or touching, his iʿtikāf is invalidated and making it up is due.
Ejaculation is the stated condition in this sentence. “Fasada iʿtikāfuhu” indicates invalidation and “ʿalayhi al-qaḍāʾ” indicates make-up. Detailed consequences depend on the binding or Sunnah form involved.