Section 24
SEC. 24. Waiver of Right to Lien—Nothing in this Decree shall be construed to prevent the furnisher of repairs, supplies, towage, use of dry dock or marine railway, or other necessaries, or the mortgagee, from waiving his right to a lien, or in the case of a preferred mortgage lien, to the preferred status of such lien, at any time by agreement or otherwise.