No, the TM30 should indicate a validity period. As long as you return to the same house stated in the TM30 and within the validity period, you should NOT rereport the TM30. Pls. do not confuse TM30 and TM28. TM28 have been updated in the past but is not being used any longer.
, my point is that terminology is important, BUT many ppl don't know the terminology which is the reason for asking questions in this and other similar groups. Knowing the terminology is a major part of being an expert in Thai visa matters.
, the famous Danish philosopher, S. Kierkegaard, said it very nicely: "To help others starts with the ability to understand what the other doesn't understand" 🙂