Streets and Highways Code § 31912
CHAPTER 11. Substitution of Other Lands, Property or Rights of Way for Those Previously Acquired
The board shall make its report and recommendation within 30 days after the legislative body orders a proposed resolution submitted to the board, or within such further time as the legislative body may allow. If the board fails to make a report and recommendation within such time, the legislative body may adopt the resolution without receiving and considering a report and recommendation thereon.