See if this information helps answer your questions:
To maintain the Pink Current Information Tier: 1. Submit an Annual Report within 90 days after fiscal year end. 2. Submit Quarterly Reports within 45 days after each fiscal quarter end. 3. Unaudited financial statements require an Attorney Letter along with a Verified Profile. To maintain the Pink Limited Information Tier: 1. Submit an Annual Financial Statement within 120 days of the fiscal year end 2. Maintain a Verified Profile at least once every six months. (No Quarterly Report required) https://www.otcmarkets.com/learn/reporting-standards Delinquent filing If a company goes delinquent, and no longer has current information they would lose their public quote and go either to the Expert market or otherwise trade without access to that public market. https://blog.otcmarkets.com/2021/07/16/otc-markets-rule-15c2-11-amendments-faqs/