In Jainism, Chaudas are religious observance days focused on devotion and discipline. There is no general rules-based ban on ordinary chores like washing clothes. So, you may wash clothes during Chaudas if you are not under a specific personal vow or fasting rule that restricts daily work.

If you are following a particular tradition (Digambar or Shwetambar) or you have taken special vows, you should follow those specific guidelines. For clear guidance tied to your practice, you can look for a tradition-specific reference on JainKnowledge.

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