[2] Vérand was promoted to senior navy clerk (commis principal de la marine) as of 26 April 1845.
On 2 October 1855 Vérand issued a decree that imposed forced labour contracts of 3-5 years on all the islanders, and prevented workers from leaving their work without authorization after they had filed complaints.
[8] On 18 March 1856 there was a revolt on Mayotte after Vérand had sailed to Nosy Be to look into a case where three men with spears had attacked a plantain supervisor.
Vérand returned on 3 April 1856, stopped the negotiations, imposed a state of siege and called for military assistance from Réunion.
A judicial inquiry in June resulted in public execution of the leader of the revolt and sentences of forced labour for other rebels.
[9] In 1857 Vérand surprisingly took the side of seven leading Mayotte citizens against ten French planters in a land dispute.
[4] On 16 December 1861 Vérand, commissaire de marine 1st class, returned to French Guiana from leave and resumed his functions as Ordonnateur.