In 1813, Kuninaga was appointed to Kamo Denso (Kamo-jinja Shrine messenger to Emperor) for both Shimogamo and Kamigamo-jinja Shrine, and in 1814, he was promoted to Shonii Gon Dainagon (Senior Second Rank, Provisional Chief Councilor of State), which he resigned in 1819.
文化(元号)10年（1813年）加茂下上社伝奏、文化11年（1814年）正二位権大納言、文政2年（1819年）これを辞する。