for verifying the adequacy of a medical certification in § 630.1207(c) shall apply to the medical certification to return to work.  No second or third opinion on the medical certification to return to work may be required.  An agency may not require a medical certification to return to work during the period the employee takes leave intermittently or under a reduced leave schedule under § 630.1204. 
(i)  If an agency requires an employee to obtain written medical certification under paragraph (h) of this section before he or she returns to work, the agency shall notify the employee of this requirement before leave commences, or to the extent practicable in emergency medical situations, and pay the expenses for obtaining the written medical certification.  An employee's refusal or failure to provide written medical certification under paragraph (h) of this section may be grounds for appropriate disciplinary or adverse action, as provided in part 752 of this chapter.
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  (k)  An employee's decision to invoke FMLA leave under § 630.1203(a) does not prohibit an agency from proceeding with appropriate actions under part 432 or part 752 of this chapter.
16.  In § 630.1210, paragraphs (a) and (c) are revised to read as follows:

§ 630.1210.  Greater leave entitlement.

(a)  An agency shall comply with any collective bargaining agreement or any agency employment benefit program or plan that provides greater family or medical leave entitlements to employees than those provided under this subpart.  Nothing in this subpart prevents an agency from amending such policies, provided the policies comply with the requirements of this subpart.
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(c)  An agency may adopt leave policies more generous than those provided in this subpart, except that such policies may not provide entitlement to paid time off in an amount greater than that otherwise authorized by law or provide sick leave in any situation in which sick leave would not normally be allowed by law or regulation.
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17.  In § 630.1211, paragraph (b)(3) is revised to read as follows:

§ 630.1211  Records and reports.

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(b)    *    *    *
(3)  The number of hours of leave taken under § 630.1203(a), including any paid leave substituted for leave without pay under § 630.1205(b); and
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PART 890--FEDERAL EMPLOYEES HEALTH BENEFITS PROGRAM
18.  The authority citation for part 890 continues to read as follows:
AUTHORITY:  5 U.S.C. 8913; § 890.803 also issued under 50 U.S.C. 403p, 22 U.S.C. 4069c and 4069c-1; subpart L also issued under sec. 599C of Pub. L. 101-513, 104 Stat. 2064, as amended. 
19.  In section § 890.502, paragraph (e) is revised to read as follows: