25 Jan 1212 Company tax and imputation: average franking credit and rebate yields
The ATO has published a document that provides monthly franking credit and rebate yields on a share portfolio comprising the "all ordinaries index". Yields for each month generally become available by the middle of the following month. The yields are calculated with the assistance of Standard & Poor's. The yields may be used if an election was made under former s 160APHR of ITAA 1936.