正式通知：新法將於 2019 年 7 月 1 日生效
https://sfenvironment.org/download/letter-sent-to-businesses-zh
https://sfenvironment.org/sites/default/files/fliers/files/sfe_zw_letter_straws_zh.pdf (PDF)
Placard for Retail Establishments ("Straws available upon request" - printable sign to post at your establishment)
