Every producer who is liable to pay cess shall get registered immediately with the jurisdictional Central Excise Officer but not later than a period of thirty days from the date of commencement of these rules by making an application to the jurisdictional Central Excise Officer :

Provided that where a producer commences production of the specified goods at any time after the commencement of these rules, such producer shall obtain registration within thirty days from the commencement of such production ;

Provided further that where a producer has a centralized billing or accounting system in respect of such specified goods produced at different mines, he may, instead, opt for registering only the premises or office from where such centralized billing or accounting is done.