Executive Orders in Chicago 17?
Hacking it as best I can. Any critiques?
Type: Report
Title: duh
Author: relevant president
Report Type: FR citation
Series Title: Executive Order XXXXX
Date: publication date
Output:
Nixon, Richard. “Prescribing Arrangements for Developing and Coordinating a National Program For Minority Business Enterprise.” 34 FR 4937. Executive Order 11458, March 7, 1969.
Type: Report
Title: duh
Author: relevant president
Report Type: FR citation
Series Title: Executive Order XXXXX
Date: publication date
Output:
Nixon, Richard. “Prescribing Arrangements for Developing and Coordinating a National Program For Minority Business Enterprise.” 34 FR 4937. Executive Order 11458, March 7, 1969.
https://www.zotero.org/groups/2205533/test_items_library/collections/5V67EPX3/items/SIQ8AUN7/
Note particularly that you need to add 'Type: regulation' to the Extras field, since there is not yet a proper regulation type in the Zotero interface.
This works in APA; it does not yet work in the current Chicago styles, but will in the forthcoming 18th edition.