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- In CRM Administration, tab Companies create a new company attribute with JIRA user type(or JIRA Group) type, for example an attribute "Sales Manager". See more: Set up Companies Directory#5.4.2.1SetupCompaniesDirectory-SetupCompanyAttributes
- Restrict CRM permissions depending on that attribute. See there: Setting up Access to Objects
- Open a Company card and set the attribute "Sales Manager" with needed JIRA user/users (usersgroup/groups).