If the proposal “Sulfur Dioxide” failed, this proposal does nothing. Otherwise in the list of blueprints change the following

Bank: May contain up to 5 Resources. Once a week, when creating a Tenet, the City in possession of this Warehouse may reduce the Praxis cost of a Hook by 2. If this would result in a negative Praxis cost, the cost is instead reduced to 0.

to read,

Bank: May contain up to 5 Resources. When creating a Tenet, the Praxis cost of a Hook counts as being 2 Praxis lower for the City in possession of this warehouse. If this would result in a negative Praxis cost, the cost is instead reduced to 0. This effect can only be used once a week