Tak .Ai>t (Act Ui -0f 1948) hereinafter called the •Act'_ uuder which ·a not;ifice.tion giving exemption in regard to sales tax on cerlia.in articles was notified by a notiftcatiOn of Deoemb&r 14.1957, which has been set out at another place in this judgment. On February 271 1959, the Salee ·Tax Officer, Agra, passed a provision&I Order · of ·assessment of sales tax fbr the quarter fi"Odl April l, l968 to June 30, 1968. The tu sousesaed was Ra; .t>2,500. It is a~ tha.t no notice was given to ·the petitioner firm.- The notice or demand. was i:Jsued on the same date. An appeal was taken against this order of &88e88inent to the Judge .(Appeals) and an applies.· tion was made tCJ ·the Commissioner of -Sales Tb.x for a stay of the realisation of the tax asses~ed·. The - Commissioner on April 28, 1959, directed that if hart of the amo\mt assess.ad was deposited by the petitioner f>y April 30, 1959, the payment of the· remaining amount shall J;>e stayed pending· the fmal asseasment. ·On April 30, 1959, the petitioneJ;' firm deposited half the tax assessed i.e. lts. 31,250.