; and (ii) every 4 years in the case of a covered chemical facility assigned to tier 2. (3) Post-inspection notice After conducting an unannounced inspection of a facility under this subsection, the Secretary shall provide post-inspection notice to a designated local or State office with oversight responsibility for that facility. (d) Chemical facility inspectors authorized During fiscal years 2015 and 2016, and subject to the availability of appropriations, the Secretary shall increase by not less than 100 the total number of chemical facility inspectors within the Department to ensure compliance with this title. (e) Confidential communications The Secretary shall offer nonsupervisory employees of a covered chemical facility the opportunity to confidentially communicate information relevant to the compliance or noncompliance of the employer with this title, including compliance or noncompliance with any regulation or requirement adopted by the Secretary under this title. (f) Right To accompany during physical inspection If a representative of the owner or operator of a covered chemical facility will accompany the Secretary on a physical inspection of the covered chemical facility, an employee representative of each certified or recognized bargaining agent at the covered chemical facility, if any, or, if none, a nonsupervisory employee, shall be offered the opportunity to accompany the Secretary during the physical inspection to aid in the inspection. 2205. Records (a) Request for records For purposes of carrying out this title, the Secretary may require submission of, or upon presentation of credentials and at reasonable times may obtain access to and copy, any records, including any records maintained in electronic format, necessary for reviewing or analyzing a security vulnerability assessment, or site security plan submitted under section 2103, or for assessing the implementation of a site security plan. (b) Proper handling of records The Secretary shall ensure that any records accessed under subsection (a)