The school of dentistry created and authorized by Sections 37-115-101 through 37-115-111 shall be in operation within three (3) years from the date the legislature makes funds available for the construction of a building to house said school; provided, however, that no staff may be employed and no construction may begin until one million two hundred fifty thousand dollars ($1,250,000.00) from the City of Jackson and one million two hundred fifty thousand dollars ($1,250,000.00) from Hinds County has been deposited in the state treasury for use by the building commission in construction and furnishing of the dental school. The board of trustees of state institutions of higher learning is authorized and directed to take any and all necessary and proper actions for the implementation of this section.