With Regard To

This is another very common mistake that I often hear people make. It is simply ignorance of the proper usage of the word. Is it 'With regard to' or 'With regards to'? 

If it is regarding something, you say, 'With regard to your payment......'or  'With regard to the usage of the car,...'. It is not right to say, 'With regards to your payment this month', or 'With regards to the usage of my motorbike'.

'Regards' with the 's' is used in the endearment sense.  You can say, 'With regards to your grandmother', meaning 'With best wishes to your grandmother'. You can see that people say, 'Send my love to so and so. So, similarly you would say, 'Send my regards to Mei Yoke'.