How important is it for an Employer to give a Sub-Clause 2.5 notice of a set-off or cross-claim under the FIDIC Red Book form of contract? Very, according to the Privy Council in NH International (Caribbean) Limited v National Insurance Property Development Company Limited . It found that: o Sub-Clause 2.5 applies to any claims the Employer wishes to make. o The Employer must make such claims promptly and in a particularised form. o Where the Employer fails to raise a claim as required, the back door of set-off or cross-claims is firmly shut. The case also serves as a warning to Employers who take a relaxed view towards their obligation under Sub-Clause 2.4 to provide reasonable evidence of the financial arrangements they have made and are maintaining to pay the Contract Price. It doesn’t matter how wealthy or important the Employer is (it may be a Government, company or individual with very substantial funds) detailed financial information must still be provided.