For plans affecting historic resources the Board of Supervisors, through the grant of a conditional use, may approve modifications to the otherwise applicable lot area, density, lot width, lot coverage, building coverage, yard, setback, height, off-street parking and loading, buffering, screening, and other design standards of the applicable zoning district or use in accordance with the criteria set forth under §§ 350-1610 and 350-2009. Through the grant of a conditional use, the Board of Supervisors may also approve modifications to any restrictions or limitations set forth Article XV of this chapter related to nonconformities without requiring any special exception or variance relief. This § 350-2008 shall not apply to the standards contained in § 350-2006 or § 350-2010 such that modifications to those standards shall not be permitted.