We see instances when contracting authorities believe the clock starts rigidly when they inform bidders of the outcome, however if you withhold information (intentionally or by error) from unsuccessful bidders this 30 day period could start much later and open a challenge at a future date. The case law is clear; The clock is stated … Continue reading The 30 day time limit for procurement challenge is clear but when does the clock start ticking? — Siemens Mobility Ltd v High Speed Two (HS2) Ltd .