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Bid Security / BG —
how much do you need?

Short version: 1–3% of the official estimate, refundable, valid for bid validity + 28 days. Details below.

TL;DR
How much?

1–3% of the official estimate. The ITB specifies the exact %.

What form?

Pay Order, Demand Draft, or Bank Guarantee — from a scheduled commercial bank.

Valid for how long?

Bid validity + 28 days. Anything shorter is rejected on opening day.

How do I get it back?

If you don't win — the procuring entity issues the refund after evaluation closes.

Sources: Public Procurement Act 2006 + Public Procurement Rules 2008 (Rule 23) + Public Procurement Rules 2025 (SRO 388-Law/2025, gazette 28 Sept 2025).

Examples: by tender size

The procuring entity can set any rate from 1% to 3%. Both bounds shown below.

Official estimateBG @ 1%BG @ 3%
BDT 50 lakhBDT 50,000BDT 150,000
BDT 2 croreBDT 200,000BDT 600,000
BDT 10 croreBDT 1,000,000BDT 3,000,000
BDT 50 croreBDT 5,000,000BDT 15,000,000

Which forms are accepted

Three forms — not every e-GP tender accepts all three. Check the ITB.

Pay Order (PO)

Issued by a scheduled commercial bank in favour of the procuring entity. Most common for small-to-mid tenders.

Demand Draft (DD)

Bank-issued draft payable to the procuring entity. Functionally equivalent to a Pay Order.

Bank Guarantee (BG)

Bank's unconditional guarantee that the amount will be paid if the bid is withdrawn or terms breached. Preferred for larger tenders.

Validity & refund

How long must it stay valid?

Per PPR: bid validity period + 28 days. If bid validity is 90 days, your BG must be valid for 118 days.

When do I get a refund?

If you don't win — after evaluation closes and contract is awarded. Typically 2–4 weeks. If you win — after you submit your Performance Security.

Four mistakes that get bids rejected

  • Validity too short — must cover bid validity period + 28 days, or your bid will be rejected on opening day.
  • Wrong instrument format — some tenders explicitly list which of PO/DD/BG they accept; check the ITB before quoting.
  • Issued in wrong party's name — must be in favour of the procuring entity exactly as named in the tender, not a related agency.
  • Forgetting to include — bids submitted without the required Bid Security stand rejected at evaluation, no second chance.
TenderPulse handles this

We extract the exact BG amount for every tender.

Upload the ZIP — eligibility, BOQ, and BG amount in a 3-minute brief. You just figure out the payment.

See also