In 1808, he was named justice of the peace for Quebec district.

He was coroner for Quebec district from 1831 to 1839.

He was named as a justice of the peace for Quebec district in 1815.

In 1830, he was named to the board of medical examiners for Quebec district.

He had also served as assistant coroner for Quebec district from 1807 to 1811.

In 1821, he was named a justice of the peace in Quebec district.

Planté was named a justice of the peace for Quebec district in 1810.

He served as sheriff for Quebec district from 1823 to 1827.

From 1840 to 1842, he was police magistrate for Quebec district.

He was named justice of the peace for Quebec district in 1786.