The document specifies dimensional tolerances of plywood panels (length, width, thickness) and tolerances for squareness and edge straightness.
DIN EN 315:2000 history
2015DIN EN 13986:2015 Wood-based panels for use in construction - Characteristics, evaluation of conformity and marking; German version EN 13986:2004+A1:2015
2005DIN EN 13986:2005 Wood-based panels for use in construction - Characteristics, evaluation of conformity and marking; German version EN 13986:2004
1970DIN EN 13986:2002 Wood-based panels for use in construction - Characteristics, evaluation of conformity and marking
1981DIN 68705-4:1981 Plywood; core-plywood for buildings purposes