RULE 86B confusion

Allauddin Patel (Accountant ) (115 Points)

11 January 2021  
Dear sir/ madam
My question is (December)
taxable value (sale). 18669392
output cgst.. 466734
output sgst.. 466734

purchase taxable value... 5616023
input tax cgst... 143028
input tax sgst.... 143028

will 86b rule applicable ?
can we utilise the full ITC against of output for the month of December...?
our tax liability is more than input tax.....