Where should I report for a late 90-day notification on a Non-Immigrant IB visa in Thailand?

The user is inquiring about where to report a late 90-day notification for their Non-Immigrant IB visa, mentioning they are a month late. Commenters suggest that for an IB visa, the correct place to report is Chamchuri Square, as it falls under BOI. They also note that the fine for late reporting remains 2000 Baht regardless of when it is reported.