Ann: US Listing Update, page-5

https://www.otcmarkets.com/corporate-services/get-started/otcqb

Eligibility RequirementsU.S. companies must have audited annual financials by a PCAOB auditor. (Tier 2 Regulation A Companies are exempt from requirement to use a PCAOB auditor for their initial audit)Meet minimum bid price test of $0.01Not be in bankruptcyHave at least 50 Beneficial Shareholders, each owning at least 100 sharesHave a freely traded Public Float of at least 10% of the total issued and outstanding of that security.Companies with a freely traded Public Float of at least 5% (and $2 million in market value of public float), or a separate class of securities traded on a national exchange may apply for an exemption (see OTCQB Standards)Have a transfer agent that participates in the Transfer Agent Verified Share Program (US Companies only)International companies must be listed on a Qualified Foreign Exchange (or SEC Reporting) and submit a Letter of Introduction from an approved OTCQB Sponsor

So no 20c min does not apply.