The operator may charge a late fee not to exceed $20 or 20 percent of the monthly rental fee, whichever is greater, for each month the occupant defaults for a period of five days or more.
W. Va. Code § 38-14-4
Late fees
Known as the Self-Service Storage Lien Act
The act spans §§ 38-14-1 to 38-14-9 (9 sections).
Official source: West Virginia Legislature. Reproduced from public-domain West Virginia statutes; confirm against the official source for the current text. Not legal advice.