When is a public tender deadline too short, and what do you do?

A public tender deadline is too short for your company when the days left cannot cover qualification, questions, price, review, and submission. It is too short in law when it falls under the minimum that applies to that procedure. An 18-day open procedure can fail the legal test. An 18-day notice in a market whose usual window is already under three weeks can still be a normal week there. Read both tests before you staff the bid or walk away.

The chart is the country test. It orders 28 markets by the share of measurable TED competition notices with under 21 days between publication and the submission deadline, from 14 July 2025 to 14 July 2026. Of 165,102 notices with both dates, 22.3% closed in under 21 days. Croatia is at 51.8%, with a median of 20.0 days. France is at 11.2%, with a median of 32.1 days.

The map is the same share, drawn by country.

Twenty-one days is the line on this chart. It is a planning cut for this year of notices. It is not the EU legal minimum, and the studies below do not use it as their definition of a short deadline. What the window is, as a definition, is in what a tender response window is.

When the law calls the deadline too short

For contracts covered by Directive 2014/24/EU, the ordinary open-procedure minimum is 35 days from the day the contract notice was sent. Article 27 allows that period to be cut by five days if the buyer accepts electronic submission. A qualifying prior information notice, sent between 35 days and 12 months before the contract notice and carrying the required information, can bring the floor to 15 days. Duly justified urgency can also bring it to 15 days. The five-day electronic reduction applies to the ordinary 35-day period, not to the 15-day floor. Utilities procurement follows a separate directive, so check the rules that apply to the buyer and procedure.

A restricted procedure has two clocks. Under Article 28, the ordinary minimum is 30 days for requests to participate, counted from dispatch of the contract notice or invitation to confirm interest, and 30 days for tenders, counted from the invitation to tender. Electronic submission can reduce the ordinary tender period to 25 days. A qualifying prior information notice can reduce it to 10 days. Duly justified urgency allows at least 15 days for requests to participate and at least 10 days for tenders.

Where national law implements Article 28(4), sub-central contracting authorities may agree a tender deadline with the selected candidates, giving them all the same preparation time. Without agreement, the period must be at least 10 days from the invitation. Specific contracts under a dynamic purchasing system normally allow at least 10 days from the invitation, with the Article 28(4) arrangement available where applicable (Article 34). A period below 30 days is therefore not, on its own, evidence of an unlawful deadline.

The legal clock starts when the notice is sent, not on the morning you open TED. Notices are published no later than five days after they are sent (Article 51). Finland's advisory table for above-threshold procurements matches the same open-procedure floors, 35 days, 30 if the tender can be filed electronically, 15 with a prior information notice, and 15 in the accelerated procedure, and it counts from the day after dispatch.

Below the EU thresholds those day counts do not apply. Finland's procurement act requires a time limit that is reasonable given the size and nature of the procurement. It does not set a number of days (Act 1397/2016, section 102).

A period that clears the minimum can still be too short for the contract in front of you. Article 47 tells the buyer to allow for complexity, to go longer than the minimum when a site visit is required, and to extend the deadline in two cases. The first is additional information you requested in good time that does not arrive at least six days before the deadline, or four days if the procedure is accelerated. The second is a significant change to the documents. The extension has to be proportionate to the information or the change. A question that arrives too late does not create that duty. Recital 80 says the limits should stay as short as possible without building a barrier, especially for smaller firms, and longer than the minimum when the contract needs it.

What a short window does to the number of bids

Official EU monitoring tracks a different clock. The Single Market Scoreboard measures decision speed, the days from the offer deadline to the award, and marks anything over 120 days as unsatisfactory. The European Court of Auditors found that lag rising from 62.5 days in 2011 to 96.4 days in 2021. A slower award does not give the writing team more days.

The research on the writing window itself is about single bidding, and it is not one European percentage. Mihály Fazekas, in a 2019 study for the Commission, wrote that discouraging advertisement periods of two to four weeks could lower single bidding by 10 to 25 percentage points in the countries he modelled. He also wrote that the models are not experiments. In the Hungarian sample, a window under 18 days had a predicted single-bid rate of 47%. In Latvia, windows under 14 days sat around 19 to 22%, against close to zero once the window passed 38 days. Czech and Polish results in the same report do not line up as "shorter means fewer bids."

An earlier EU-wide set, contracts from 2009 to 2014 that recorded a submission period, had a mean of 44.4 days (Fazekas and Kocsis). The Court of Auditors' methodology for its 2011 to 2021 work treats the risky short window as a country matter: 30 days or fewer in Finland and the Netherlands, 27 days or fewer in France. Those bands are where single bidding ran higher in that country's data. They are not the share of notices that were short.

Pliatsidis, in the Journal of Public Procurement (2022), compared 2,404 Greek open tenders from 2018 to 2021. Tenders kept open for more than 35 days tended to receive more bids than tenders at 35 days or under. The abstract does not say how many more, and it does not separate SMEs. The OECD's 2018 report on SMEs in public procurement lists "too short a time to draw up tenders" among the constraints policy makers were asked to rate. It does not publish a count of lost SME bids.

What to do

1. Read the procedure on the notice before you call the deadline unlawful. Note whether it is open, restricted, or a call inside a dynamic purchasing system, whether a prior information notice or an urgency statement is attached, and whether electronic submission is accepted. Eighteen days is under the ordinary open-procedure floor, including the 30-day electronic version. It can still sit above the floor if a qualifying prior information notice or justified urgency applies, both of which bottom out at 15 days.
2. Compare the notice with that country's usual window on the chart. A Croatian notice at 18 days sits in a market whose median is 20.0 days and whose under-21 share is 51.8%. A French notice at 18 days is the exception: 11.2% of measurable French notices are that short, and the median is 32.1 days. The Netherlands has the longest median in this set, 46.1 days, and 16.4% of measurable Dutch notices are still under 21 days. Staff the notice in front of you.
3. If a missing answer or a real change in the documents blocks a responsive tender, ask in writing, through the channel on the notice, early enough that the buyer can reply at least six days before the deadline. Four days, if the procedure is accelerated. The answer goes to every supplier, not only to you. If it arrives inside that last stretch, or the documents change significantly, Article 47 requires a proportionate extension. Finland's advisory guidance and the Swedish procurement agency describe the same rule. Asking because a lawful minimum feels tight is allowed. The buyer does not have to grant that request, and no public series says how often they do.
4. Spend the remaining days on the offer. The European Single Procurement Document can stand in for certificates at submission, and you may reuse one that is still correct (Article 59). If a required label or test report cannot be obtained in time for reasons that are not yours, the buyer has to accept other appropriate proof (Articles 43 and 44). Tender only the lots you can prepare. A new consortium thrown together to split the writing does not move the deadline. The Commission's SME code says that kind of cooperation needs time, which is what a prior information notice is for.
5. If the days that remain cannot cover the work, decline. A tender that arrives after the deadline is rejected. The go or no-go belongs in the bid or no-bid check, and the backward plan belongs in the tender response timeline. A review is the route when the period is below the minimum that applies to that procedure, or when a mandatory extension was refused. EU remedies law requires a review body that can set aside an unlawful decision in the procurement documents (Directive 89/665/EEC). In Finland the Market Court can annul the decision and order the authority to correct the procedure, and the appeal period on a decision that carries appeal instructions is 14 days (Act 1397/2016, sections 147 and 154). Read those instructions on the document before you file. A deadline that meets the legal minimum is not a reason to open a review in order to slow the competition.

Sources

• TED competition notices with a measurable response window, 14 July 2025 to 14 July 2026. 36,776 of 165,102 notices, 22.3%, had under 21 days. Calendar days from publication to the submission deadline, unadjusted for procedure type or sector.
• Directive 2014/24/EU, Articles 27, 28, 34, 43, 44, 47, 51, and 59, and recital 80.
• Act on Public Procurement and Concession Contracts 1397/2016, sections 56, 57, 102, 147, and 154.
• Hankinnat.fi, minimum time limits and extensions.
• European Court of Auditors, Special Report 28/2023, Public procurement in the EU, and the methodology note on advertisement-period risk bands.
• Mihály Fazekas, Single bidding and non-competitive tendering procedures in EU co-funded projects (2019).
• Pliatsidis, Journal of Public Procurement, 2022, DOI 10.1108/JOPP-05-2022-0025.
• OECD, SMEs in Public Procurement (2018).