Writing on the bill while release payment

This query is : Open

abhijit majumder (Querist)
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05 May 2025 Sir
The Company is a 100% govt company. It takes up various projects executed through contractor on 'Turn Key ' basis ,whose funds comes from government.
While release payment we have to mentioned % of work done(scheduled in work order) on the bills submitted by the contractor and based on which payment is released.
However in case of dispute on work done (in case works later found faulty or inappropriate ) mention of % of work done goes against us. So my query before you is can we write down following statements (a) &(b) on the bills while release payment:

(a) Prima facie ...................................% of work of the project being done.

(b) However as the project being a ‘Turn Key Project’ henceforth unless & until the referred project being fully completed and performed according to the full satisfaction of the management of ABCD, the above referred statement in clause (a) will not be considered as conclusive and/or suggestive statement for any purpose.
Regards
Abhijit