PE-17 Alternate work site
What the standard requires
a. Determine and document the [alternate work sites] allowed for use by employees; b. Employ the following controls at alternate work sites: [controls]; c. Assess the effectiveness of controls at alternate work sites; and d. Provide a means for employees to communicate with information security and privacy personnel in case of incidents.
Quoted verbatim from NIST SP 800-53 Rev 5 (OSCAL catalog), which is in the public domain.
Cross-framework mappings
No cross-framework mapping is seeded for this control. That is stated rather than filled in: a mapping nobody authored is worse than a gap you can see.
Track PE-17 with evidence behind it
In CMDash this control is a row with an owner, a status, uploaded evidence kept with its full history, and an export an assessor can read.