These "refer" to overhangs but as Mark told you, none are required.
R317.1.5 Exposed glued-laminated timbers. The portions
of glued-laminated timbers that form the structural
supports of a building or other structure and are exposed to
weather and not properly protected by a roof, eave or similar
covering
TABLE R802.11
REQUIRED STRENGTH OF TRUSS OR RAFTER CONNECTIONS TO RESIST WIND UPLIFT FORCESa, b, c, e, f
(Pounds per connection)
R804.3.2.1.1 Eave overhang. Eave overhangs shall
not exceed 24 inches (610 mm) measured horizontally.
FIGURE R804.3.2.1.2
GABLE ENDWALL OVERHANG DETAILS