B-1, r. 3 - Code of ethics of advocates

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3.02.02. Paragraph g of section 3.02.01 must not be interpreted as preventing the advocate from guaranteeing payment of or agreeing to pay:
(a)  reasonable expenses incurred by a witness to appear or testify;
(b)  reasonable compensation to a witness for loss of time in appearing or testifying;
(c)  reasonable fees for the professional services of an expert witness.
R.R.Q., 1981, c. B-1, r. 1, s. 3.02.02.