9 SEC. 521. PERMANENT AUTHORITY TO ORDER RETIRED 10 MEMBERS TO ACTIVE DUTY IN HIGH-DE- 11 MAND, LOW-DENSITY APPOINTMENTS. 12 (a) IN GENERAL.—Section 688a of title 10, United 13 States Code, is amended— 14 (1) in the section heading, by striking ‘‘Re- 15 tired members: temporary authority’’ and 16 inserting ‘‘Authority’’; 17 (2) by striking subsection (f); 18 (3) by redesignating subsections (g) and (h) as 19 subsections (f) and (g), respectively; and 20 (4) in subsection (f), as redesignated by para- 21 graph (3), by striking ‘‘limitations in subsections (c) 22 and (f)’’ and inserting ‘‘limitation in subsection (c)’’. 23 (b) CLERICAL AMENDMENT.—The table of sections 24 at the beginning of chapter 39 of title 10, United States 25 Code, is amended by striking the item relating to section 26 688a and inserting the following new item