Every person providing taxable service shall issue an invoice / bill / challan within "'30 days "'( "'45 days "'in case of banking and other financial service providers ) from the date of completion of such service or receipt of any amount for such taxable service.
32.
Challan said that the FAA had tried to describe precisely to Raytheon what it wanted, to make sure that it was something controllers could use, but when the prototypes were ready it had found that changes were needed because there were " aspects of operational suitability that are not definable by the English language ."
33.
In case the provider of taxable service is a banking company or a financial institution including a non-banking financial company, or any other body corporate or any other person, providing service to any person an invoice, bill or, as the case may be, challan shall include any document, by whatever name called, whether or not serially numbered, and whether or not containing address of the person receiving taxable service but containing other information as prescribed above.
34.
He had a long association with the Paris Conservatoire, first as a student, then as the director of concerts ( 1906-1914 ), and then as a faculty member from 1919 to 1949 . A professor of harmony, he taught such notable musicians as Elsa Barraine, Paul Bonneau, Henri Challan, Georges Dandelot, Jean-Yves Daniel-Lesur, Jeanne Demessieux, Pierre Dervaux, Maurice Durufl? Henri Dutilleux, Ulvi Cemal Erkin, Jean Hubeau, Paule Maurice, Olivier Messiaen, Jean Rivier, Pierre Sancan, and Paul Tortelier.
