Last working day of the month

EarthBoy

Barclays offers the most options for Standing Order payments out of any bank that I know of.  You can pay them every week, fortnight, month (specific date), 28 days, 2 months, 3 months, 4 months, 6 months, year, last day of the month, last working day of the month, month (specific day), last Monday/Tuesday/Wednesday/Thursday/Friday of the month, Quarter day, Scottish quarter day, day that ensures receipt by every English quarter day, 2 years, Barclays staff pay day.

I remember that Yorkshire Bank also used to offer a similar long list of options, but many banks limit you to just a few. 

jonesMUFCforever

Willing2Learn said:

I believe that if the SO date falls on a day that doesn't exist, due to it being a shorter month, then it will be processed on the next working day (1st of the following month).

A lot of people lose out with setting up standing orders in this way - eg regular savings or HTB ISA where you are only allowed one credit per calendar month.
IMO it is always better to set it up for 1st of month or later.