Texas officials have postponed the runoff primaries from May 26 to July 14. The order did not mention the question of the independent candidate petition deadline. For non-presidential independents, it is 30 days after the runoff primary. But the independent presidential petition is not tied to the date of any primary, and is set inflexibly for May 11. Independent presidential petitions require 79,939 signatures. Thanks to Jim Riley for this news.