N/certificateControl Module
Certificate.subsidiaries
Property Description: The internal IDs of the subsidiaries associated with the certificate record. Subsidiary selections associate a certificate to one or more subsidiaries but do not affect access.
Type: number[]
Module: N/certificateControl Module
Parent Object: certificateControl.Certificate
Sibling Object Members: Certificate Object Members
Since: 2019.2
Search NetSuite - https://system.netsuite.com/app/help/helpcenter.nl?search=Certificate.subsidiaries

// Code Example 1

// Add additional code

//...

//load the certificate record object

var loadedCertificate = cc.loadCertificate({

    scriptId : 'custcertificate_testid'

    });

//set the subsidiaries to those with the internal IDs of 3 and 5

loadedCertificate.subsidiaries = [3,5];

//save the certificate record object

loadedCertificate.save();

//...

// Add additional code



//SOURCE: https://system.netsuite.com/app/help/helpcenter.nl?fid=section_156269250571.html