They have until March 28, 2023 or lose their proprietary quote status.
They will not be sent to Expert Market or be delisted..
The only difference is you will see this warning on otc markets.
Warning! This security is eligible for Unsolicited Quotes Only
This stock is not eligible for proprietary broker-dealer quotations. All quotes in this stock reflect unsolicited customer orders. Unsolicited-Only stocks have a higher risk of wider spreads, increased volatility, and price dislocations. Investors may have difficulty selling this stock. An initial review by a broker-dealer under SEC Rule15c2-11 is required for brokers to publish competing quotes and provide continuous market making.