With regard to Alto, High Frequency Rail, and VIA HFR - VIA TGF Inc.: (a) has the government commissioned a replacement business case for the 300 km/h Alto specification to supersede the December 10, 2021 Joint Project Office Business Case Update; (b) if a replacement business case has been commissioned or completed, on what date was it completed, which firm or institution produced it, what is its Net Present Value and Benefit-Cost Ratio for the 300 km/h specification, and when will it be published; (c) if a replacement business case has not been completed, what is the analytical basis for the $60–$90 billion cost range and the $35 billion annual gross domestic product return figure cited in supporting materials at the February 19, 2025 announcement; (d) does the government agree that the December 2021 Business Case is outdated and largely, if not entirely, no longer applicable; (e) what is the current internal cost estimate held by Transport Canada for the full Alto project, classified by cost estimation class as defined in Alto's Amended Corporate Plan 2024-25 to 2028-29; (f) what is the current internal cost estimate held by Alto Inc. for the full Alto project, classified by cost estimation class as defined in Alto's Amended Corporate Plan 2024-25 to 2028-29; (g) to what extent do the provisions of the High-Speed Rail Network Act referring to land, interest, right, or immovable real right refer to (i) the operational right-of-way, (ii) development land for station hubs beyond the operational footprint, (iii) land for storage, maintenance, repair, or emergency capabilities or facilities, (iv) land for electrical infrastructure, (v) land for any other purpose relating to the high-speed rail network; (h) what, if any, limitations exist on the ability of Alto or a minister of the Crown to designate land, interest, right, or immovable real right for the purposes of (g)(i) to (g)(v); (i) does the phrase "lands needed for the project," including for the purposes of the expropriation powers in the High-Speed Rail Network Act, refer only to the operational right-of-way, or does it also include development land for station hubs beyond the operational footprint; (j) to the extent that any element of the responses to (g) or (i) refer to development land for station hubs, (i) what is the geographic extent of the land contemplated for acquisition around each proposed station, (ii) on what basis is that land deemed "needed for the project"; (k) is land value capture, in any of its fiscal, regulatory, or land-assembly forms, contemplated as a financing mechanism or revenue source for the Alto project; (l) is transit-oriented development, in any of its fiscal, regulatory, or land-assembly forms, contemplated as a financing mechanism or revenue source for the Alto project; (m) if land value capture or transit-oriented development is contemplated as a financing mechanism or revenue source for the Alto project, which mechanisms are under consideration, including but not limited to fiscal and regulatory tools such as levies, development charges, density bonuses, or tax increment financing, or land assembly in which the government acquires a development portfolio around a station for subsequent sale, lease, or joint development; (n) what is the projected revenue from any contemplated land value capture, transit-oriented development, or station-area development, over what period, and to what extent does this projection form part of the Net Present Value or Benefit-Cost Ratio in any government financial analysis of the project; (o) has any station-area land acquisition and development strategy been implemented or carried forward into the Co-Development Phase with Cadence Rail, and, if so, in what form and to what extent; (p) why has the government's public communication on Alto land acquisition referred to the operational right-of-way of approximately 60 metres; (q) when, how, and to what extent has Alto or Transport Canada publicly communicated on station-area land acquisition or procured land value capture or transit-oriented development advisory services and, if no such public communications have occurred, for what reason; (r) was the Joint Project Office Technical Lead responsible for technical validation of the capital cost estimates in the December 2021 Business Case able to provide professional support for the CAPEX position as submitted, and, if not, was that qualification or dissent recorded in any document provided to Transport Canada, Finance Canada, the Canada Infrastructure Bank, Infrastructure Canada, or any minister; (s) was the Business Case Update submitted to the Joint Leaders Committee and subsequently to ministers accompanied by any disclosure that the capital cost estimates had not received field validation, including borehole drilling, topographic surveys, or geotechnical site investigations, due to COVID-19 restrictions, and, if so, in what document and on what date was that disclosure made; (t) on August 3, 2021, did the Canada Infrastructure Bank forward to Finance Canada and Infrastructure Canada an internal Joint Project Office email dated August 1, 2021, disclosing $883 million in new capital cost increases and a negative Net Present Value that had not yet been presented to the Joint Leaders Committee, through an informal channel, and, if so, was that email or its content approved for release by the Joint Leaders Committee before it was sent; (u) what authorization, if any, existed for the transmission of the email referred to in (t) to Finance Canada and Infrastructure Canada; (v) what steps, if any, did Finance Canada take upon receipt of the email referred to in (t) to ensure it did not affect its position at any briefings that occurred on August 3, 2021; (w) was the existence of the email referred to in (t) disclosed to the Joint Leaders Committee or to any minister, and, if so, when, how, to whom, by whom, and at whose direction; (x) what were the two specific sources of the $883 million in capital cost increases disclosed in the email referred to in (t); (y) how and to what extent did the email referred to in (t) refer to (i) costs arising from host railway requirements, including CN Rail capacity study findings for the Montréal approach, previously excluded from the base estimate, (ii) costs arising from a forced alignment change at Toronto resulting from Metrolinx’s rejection of the Don Branch corridor access in favour of the Uxbridge Subdivision, with the Toronto station moving from Eglinton to Kennedy; (z) were either of the two specific sources of the $883 million in capital cost increases disclosed in the email referred to in (t) and their amounts disclosed in the December 2021 Business Case as submitted; (aa) is the Business Case, as submitted in December 2021, supported by field-validated cost estimates, and, if so, to what extent and from what sources; and (ab) did the internal technical reviewer responsible for validation express reservations or concerns about the CAPEX position, and, if so, how and to what extent and for what reasons?