Reposting here as requested
I think, this is Errata for the Errata:
Page 15 of the Errata Document:
② Converting Movement and Distances (p. 110)
Under “Base-to-Base Contact”, first sentence
Under hex-based rules, a unit in an adjacent hex qualifies for base-to-base contact.
Change to:
Under hex-based rules, a unit in an adjacent hex, and within 1 level of elevation, is in base-to-base contact.
Should maybe be:
② Converting Movement and Distances (p. 110)
Under “Base-to-Base Contact”, first sentence
Under hex-based rules, a unit in an adjacent hex qualifies for base-to-base contact.
Change to:
Under hex-based rules, a unit in an adjacent hex, and within 1 level of elevation, qualifies for base-to-base contact.