Open vs Restricted Procedure: Choosing the Right Tender Route

Public sector procurements above threshold must follow defined procedures. The two most common routes are the open procedure and restricted procedure. Understanding their differences helps buyers select appropriate approaches and suppliers prepare effectively.

Open Procedure Overview

How It Works

Under open procedure, any interested supplier can submit a full tender response. There is no pre-qualification stage; all submissions are evaluated together.

Process Timeline

The timeline begins with contract notice publication, followed by a supplier response period of at least 35 days (reducible to 15 with electronic submission). Then comes evaluation of all submissions, an award decision, a standstill period of 10 days, and finally contract signature.

Advantages

For Buyers:

• Simpler single-stage process
• Faster overall timeline
• Maximum market competition
• Reduced administrative burden

For Suppliers:

• No pre-qualification hurdle
• Single submission effort
• Equal opportunity for all
• Clear evaluation point

Disadvantages

For Buyers:

• May receive many responses to evaluate
• All submissions require full assessment
• No early filtering of unsuitable suppliers
• Higher evaluation resource requirement

For Suppliers:

• Full tender effort required upfront
• No feedback before major investment
• Competition from all market participants
• Wasted effort if not shortlisted

Best Suited For

• Standard goods and services
• Well-defined requirements
• Markets with manageable supplier numbers
• Procurements where broad competition is valued

Restricted Procedure Overview

How It Works

Restricted procedure uses two stages. First, suppliers complete a selection questionnaire (SQ) demonstrating basic capability. Only shortlisted suppliers are then invited to tender (ITT).

Process Timeline

The timeline begins with contract notice publication, followed by an SQ response period of at least 30 days. Selection evaluation occurs, then shortlisting (minimum 5 suppliers). The ITT period follows (at least 30 days), then evaluation of tender submissions, award decision, standstill period, and contract signature.

Advantages

For Buyers:

• Filters unsuitable suppliers early
• Reduces evaluation burden
• Focuses competition among capable suppliers
• Better for complex requirements

For Suppliers:

• Lower initial investment for SQ
• Feedback before major bid effort
• Reduced competition at ITT stage
• Clearer win probability assessment

Disadvantages

For Buyers:

• Longer overall timeline
• Two-stage administration
• Risk of excluding capable suppliers
• Must run full process even for few responses

For Suppliers:

• Two submission efforts required
• SQ rejection before demonstrating full capability
• Longer waiting period
• Potential for capable suppliers to be excluded

Best Suited For

• Complex services or works
• Requirements needing specialist capability
• Markets with many potential suppliers
• Procurements where pre-qualification adds value

Decision Framework

Choose Open Procedure When:

• Requirements are straightforward
• Market has limited qualified suppliers
• Timeline is constrained
• Evaluation criteria clearly differentiate quality
• SME access is priority

Choose Restricted Procedure When:

• Requirements are complex
• Many suppliers likely to respond
• Capability verification essential before evaluation
• Evaluation resource is limited
• Works contracts with safety-critical elements

Timeline Comparison

Selection Questionnaire Design (Restricted Only)

Standard Sections

• Company information
• Financial standing
• Insurance coverage
• Technical capability
• Relevant experience
• Compliance declarations

Shortlisting Criteria

Shortlisting must use objective, published criteria. Common approaches include minimum capability thresholds, scoring against selection criteria, or combination approaches.

Supplier Strategy by Procedure

Open Procedure Strategy

Invest fully from the start. Resources committed to tender preparation should match opportunity value and win probability assessment.

Restricted Procedure Strategy

Phase investment appropriately. SQ responses should be strong but proportionate; major investment follows shortlist confirmation.

Emerging Considerations

Procurement Act 2023 Changes

The new Act introduces flexibility in procedure design. Buyers can combine elements of different procedures, though must publish and follow their chosen approach.

Digital Transformation

E-procurement reduces administrative burden of two-stage processes, making restricted procedure more practical for some authorities.

Conclusion

Neither procedure is inherently superior. The appropriate choice depends on market conditions, requirement complexity, and available resources. Buyers should select based on procurement circumstances; suppliers should adapt strategies to whatever procedure they encounter.