Signage templates are available for local businesses to use in their retail and restaurants as desired related to the COVID-19 opening requirements issued by the governor earlier this week. These templates are available here and may be edited to reflect your business.
Gov. Greg Abbott has set out a list of minimum health protocols for various types of local businesses, which is available at https://www.dshs.state.tx.us/coronavirus/opentexas.aspx#protocols. More information about the order is available here.