Gst conversion from 18% to 5% or reversal

Dipesh Jha (PRACTICE ) (673 Points)

26 June 2019  
If my clinet Catering service provide karta hai....and suppose wo avi 18% charge karta hai...to wo baad me 5% me convert kar sakta hai na??
Ya ek baar jo rate choose kar liya usi ko apply karna hoga....