That was not provided by the NT10Q document! 5 calendar days from 10Q; 15 calendar days from the 10K https://www.sec.gov/files/form12b-25%2C0.pdf Or this one: https://www.sec.gov/Archives/edgar/data/1602381/000107878217001149/nt10q063017_nt10q.htm Not "business days"