1 * Scope, object and related standards 1.3 * Collateral standards Replace the existing second paragraph with: Applicable collateral standards shall apply together with this standard. Delete the existing third paragraph. 1.4 * Particular standards Replace the existing first paragraph with: In the IEC 60601 series, particular standards define BASIC SAFETY and ESSENTIAL PERFORMANCE requirements, and may modify, replace or delete requirements contained in this standard and applicable collateral standards as appropriate for the particular ME EQUIPMENT under consideration. Replace the existing second paragraph with: A requirement of a particular standard takes priority over this standard and applicable collateral standards.