Public Procurement Authority decisions
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- PPA DECISION4734Tender Process Disputes10 March 2026
What is a tenderer to do that submits the same bid twice in an electronic tender?
Technical problems during the transmission of bids in electronic tenders may cause tenderers to send the same bid more than once. Under Article 17 of Public Procurement Law No 4734, the submission of more than one bid by a tenderer is a prohibited act or conduct.
- PPA DECISION4734Tender Process Disputes04 March 2026
In an electronic tender, the firm that failed to submit the original of the document required for verification faced serious consequences
Public Procurement Board decision No 2026/UM.I-547 of 18 February 2026 assessed the legal consequence of the manner in which documents are submitted in electronic tenders. In the case in question the manufacturer's activity certificate required to be submitted physically for verification was addressed.
- PPA DECISION4734Tender Process Disputes02 March 2026
Does a change of member in the tender commission lead to cancellation of the tender?
Public Procurement Board decision No 2026/UH.II-600 of 18 February 2026 assessed the legal consequence of a change of member in the tender commission. In the case examined the procedure began with a substitute member, the first commission decision was signed by that substitute member, and the full member later took part.
- PPA DECISION4734Tender Process Disputes17 February 2026
Cancellation of a tender because the only valid bid is very close to the estimated cost, and the contracting authority's discretion
Public Procurement Board decision No 2023/UH.II-1074 of 2 August 2023 contains an important assessment of whether the contracting authority may cancel a tender where the only valid bid is very close to the estimated cost. In the case in question the estimated cost was TRY 41,012,837.12.
- PPA DECISION4734Tender Process Disputes16 February 2026
In an electronic tender, is the bid bond of a tenderer that fails to submit an abnormally low tender justification forfeited?
Public Procurement Board decision No 2024/UM.II-32 contains an important assessment of the consequences of failing to submit an abnormally low tender justification in electronic tenders, addressing the sanction that must be applied in such a case.
- PPA DECISION4734Tender Process Disputes12 February 2026
Do electronic invoices submitted for works carried out for the private sector require notarisation or accountant certification?
By Public Procurement Board decision No 2026/UM.II-318 of 28 January 2026, it was clarified whether electronic invoices submitted for works carried out for the private sector are subject to notarisation or certification by an accountant when used to prove work experience, having regard to Tax Procedure Law No 213.
- PPA DECISION4734Tender Process Disputes03 February 2026
Beware of documents showing private sector work experience: what form must the social security workplace declaration take?
By Public Procurement Board decision No 2026/UH.I-197 of 21 January 2026, an important assessment was made of the social security documents submitted to prove work carried out in the private sector as work experience.
- PPA DECISION4734Tender Process Disputes19 January 2026
The principle of “one work experience certificate per contract” in tenders open to partial bids
By Public Procurement Board decision No 2025/UM.I-2587 it was held that qualification documents for which no line is opened in the participation document may not be required from tenderers, and that this contradiction requires the tender to be cancelled.
- PPA DECISION4734Tender Process Disputes16 January 2026
May documents for which no line is opened in the participation document be required in a tender?
By Public Procurement Board decision No 2025/UM.I-2587 it was held that qualification documents for which no line is opened in the participation document may not be required from tenderers, and that this contradiction requires the tender to be cancelled.
- PPA DECISION4734Tender Process Disputes15 January 2026
The problem of vehicles being the tenderer's own property in public service procurement
By Public Procurement Board decision No 2025/UH.I-2610 it was held that in service procurement it may not be required, as a condition before the contract is concluded, that a certain proportion of the vehicles be the tenderer's own property.
- PPA DECISION4735Tender Process Disputes02 January 2026
A Public Procurement Authority decision has been published on the steps to be taken in refunding the appeal fee and the Authority's share
Public Procurement Board decision No 2025/DK.D-474 has determined the principles governing the proportion of grounds upheld and the number of grounds in refunding the appeal fee.
- PPA DECISION4735Tender Process Disputes30 December 2025
The problem of scoring non-price criteria for joint ventures in construction works
The Public Procurement Board has made clear that contradictory provisions in the tender documents on the scoring of non-price criteria for joint ventures require the tender to be cancelled.
- PPA DECISION4734Tender Process Disputes29 December 2025
May a tender conducted by open procedure be cancelled by reference to the price obtained in a negotiated procedure?
Public Procurement Board decision No 2025/UH.I-2616 held that tenders conducted by open procedure may not be cancelled by reference to the prices obtained in negotiated procedures.
- PPA DECISION4734Tender Process Disputes25 December 2025
A metropolitan municipality's tender contrary to the legislation has been cancelled
Public Procurement Board decision No 2025/UH.II-2604 addresses the importance of preparing the tender documents in accordance with the legislation in tenders for the hire of vehicles and construction plant.
- PPA DECISION4734Tender Process Disputes28 November 2025
What should a municipality do whose tender was cancelled because of a doubtful act at the first session and whose statements were contradicted?
I. Subject matter of the Public Procurement Board decision. Electronic tenders offer significant advantages to contracting authorities and tenderers by reducing unnecessary workload, shortening periods and increasing transparency and competition. However, the spread of technology has also raised questions about certain doubtful acts in tenders.
- PPA DECISION4734Tender Process Disputes27 November 2025
Contracting authorities must send the invitation to conclude the contract to the tenderer in complete form
I. Subject matter of the Public Procurement Board decision. Public administrations may conclude a contract by inviting the successful tenderer to do so. However, invitations made contrary to the procedure expressly laid down in the procurement legislation are not accepted by the Public Procurement Board.
- PPA DECISION4734Tender Process Disputes15 October 2025
May those who have restructured their social security debt take part in tenders?
I. Subject matter of the Public Procurement Board decision. In our public procurement system, where tenderers with a social security debt above a certain level take part in tenders, they are excluded from the evaluation and their guarantees are forfeited. However, Article 48 of Law No 6183 is relevant.
- PPA DECISION4734Tender Process Disputes13 October 2025
Under the new provisions, when is a complaint about a social security debt to be lodged?
I. Subject matter of the Public Procurement Board decision. The Implementation Regulation on the Electronic Conduct of Public Procurement, which entered into force on 1 August 2025, made far-reaching changes to procurement procedures, one of which concerns tenderers' social security debts.
- PPA DECISION4734Tender Process Disputes08 October 2025
An important announcement has been published on querying the social security premium debts of tenderers
Under the Implementation Regulation on the Electronic Conduct of Public Procurement, which entered into force on 1 August 2025, in tenders advertised or announced on or after 1 August 2025 social security premium debt queries are to be carried out by contracting authorities at the stage when bids are opened.
- PPA DECISION4734Financial Disputes07 October 2025
The Public Procurement Authority has published an important announcement on querying tenderers' tax debts
Under the Implementation Regulation on the Electronic Conduct of Public Procurement, which entered into force on 1 August 2025, in tenders advertised or announced on or after 1 August 2025 social security premium and tax debt queries are to be carried out by contracting authorities at the stage when bids are opened.