Knowledge base

Everything about public procurement

From initial tender to winning bid strategy — the definitive reference guide for Belgian public procurement, compiled by tender experts.

44 Articles
6 Categories
3 Languages

Procedures & implementation

Tendering procedures, deadlines, and implementation rules

Filling in the ESPD: step by step

How do you fill in the UEA? Mandatory when, XML format, and reuse in subsequent registrations.

Price revision in public procurement: analyzing the formula

How does price revision work? The revision formula with S-index and I-2021, mandatory revision, and deviations.

Public and non-public procedure: impact on strategy and planning

When does a contracting authority opt for an open or restricted procedure? What does that mean for your planning, your selection file, and your bid?

Framework agreements and mini-competitions: winning in phase 1 and phase 2

How do framework agreements work? One or more participants, mini-competitions, cascade mechanism, and duration.

General implementation rules (AUR): payments, security deposits, fines, and delivery

What does the Royal Decree on Implementation stipulate? Payment terms, security deposits, late penalties, and delivery for Belgian contracts.

Changes during implementation: when is it still the same contract?

When can a contract be amended without a new tender? Revision clauses, de minimis, circumstances, and substantial changes.

E-invoicing in public procurement: obligations, Peppol, and onboarding

When is e-invoicing mandatory for Belgian public contracts? The UBL format, Peppol network, Mercurius platform, and how SMEs are preparing.

Deadlines, questions, and information requests: leeway and risks

What deadlines apply to public contracts? How do you ask questions via the forum, how do you deal with correction notices, and when are deadlines extended?

Competitive procedure with negotiation, competitive dialogue, and innovation partnership

When are special procedures used? How do negotiations, dialogue rounds, and innovation partnerships work, and how can you prepare yourself as a tenderer?

Reliance on third parties and combinations: governance, documents, and liability

How do you collaborate in a temporary partnership or consortium for government contracts? What capabilities can you "borrow" from third parties, and how do you prove this?

Subcontracting in public procurement: obligations, chain, and risk of exclusion

Rules for subcontracting in public procurement. Reporting obligation, exclusion check, and chain liability.

Common irregularities in bids: how to avoid exclusion?

What errors lead to exclusion? Substantive vs. non-substantive irregularities, missing documents.

Electronic auctions and dynamic purchasing systems (DAS): how do they work?

What is an electronic auction in public procurement and how does a dynamic purchasing system work? Conditions of application, procedure, and bidding strategy.

Variants and options in public procurement

When can a bidder submit a variant? What is the difference with an option? Rules, conditions, and strategic use.

Bail and guarantees in public procurement

How does surety work in public procurement? Amount, exemption, release, and the 2023 reforms. Practical guide for bidders.

Recognition of contractors: classes, categories, and public works contracts

How does the accreditation system for contractors in Belgium work? Categories A-P, classes 1-8, threshold amounts, and the link with selection criteria for public contracts.

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