Due to the fact that the rank could not be raised within the job classification of hogi according to the general rule governing 'suitable court rank,' basic to the ritsuryo system, a measure was taken to raise the court rank by appointing the incumbent to an additional post of senior Shitokan as 'Gon no shoku' (a temporary position) when raising the rank of a scholar monk hogi while remaining in the priesthood.
ただ、基本的には還俗しない学僧方技の位階を上げる場合には、律令制度の基本である「官位相当」の原則によって方技の職制のままでは位階を上げることが出来ないため、「権職（ごんのしょく）」（定員外配置）によって四等官上位職を兼務させることで位階を上げる方法がとられた。