Test whether a quoted delivery date is credible
A promised date deserves a sequence of supporting steps. Before choosing a supplier because it offers the earliest arrival, ask what must happen first and which parts are within the supplier's control. This is schedule review, not a guarantee that disruptions cannot occur.
Define the requirement
State the required arrival date and work backwards through sample approval, production, inspection and transit. Put any buyer-controlled milestone in the request. If a date is a hard event, such as a store opening, mark it plainly so suppliers can say when it is infeasible.
Questions to send with the RFQ
Ask for a milestone schedule, the start condition and any route that could shorten time at extra cost. Request the supplier to identify the most likely decision point for delay. A confident sentence without a process is a weak basis for planning.
Review the answer
Compare plans under realistic approval dates, not best-case assumptions. If one supplier has not reserved materials or capacity, note that the proposed date is conditional. Decide whether a slower but better evidenced schedule serves the business better.
An example to adapt
For a hypothetical product launch, an early delivery promise might require design approval tomorrow. If your team needs a week for testing, the schedule is not feasible as written. Ask for a revised plan using the actual approval window.
Decision before sending
A credible schedule can be monitored. Ask the supplier which milestone would first show that the quoted arrival date is at risk and how quickly it would tell you. Internally, identify who can approve a sample or an alternate route without delay. If the date is immovable, define what quantity must arrive by then and whether a split is acceptable. A precise fallback question is more useful than asking the supplier to promise that nothing will go wrong.
Source context
The U.S. Commercial Service export-document guide says a pro forma invoice describes the goods and the specified date and price. Ask suppliers to show the assumed production finish and handover dates behind any promised arrival date, then test them against the buyer's receiving window.