Cal. Code Regs. tit. 17, § 1056
For purposes of compliance with Sections 291 and 304 of the California Health and Safety Code, rhesus (Rh) blood typing (as defined in Title 17, California Administrative Code, Chapter 2, Subchapter 1, Group 1, Section 1002, Number 3, [Determination of Rh type]) shall consist of D and if this is negative, Du typing.
Note: Additional authority cited: Sections 290-293 and 304-305, Health and Safety Code.
1. New Sections 1056 and 1057 filed 3-16-70; effective thirtieth day thereafter (Register 70, No. 12).
2. Amendment filed 2-2-71; effective thirtieth day thereafter (Register 71, No. 6).
3. Editorial correction (Register 72, No. 31).