Principal Place of Business Question

For GST registration rental agreement / proof of address / Mbl / EB connection/and ownership sale deed copy/if tenancy

or a simple letter from Grandpa with no objection certificate for running the business.

This legality is must because under GST if defalut situation arises the place of business will first be target for verification

AS you know based on the address only the rate of tax / class of tax SGST/CGST/IGST is decided

there are two questions 

1) place of business guidance sign rental agreement and NOC from owner on simple letter for using the premises 

for no value. It will be good if rental agreement is made with min value of rent , since there will be income against 

which you can claim this exps see it is not coming under TDS etc.

GST attracted if invoice is made ,supplies effected whether it is e commerce or shop selling

see in the HSN whether your product is covered under GST rates , there are two types one is product covered under GST HSN with nil rate of tax and another exempted category , pl take the help of book in GST and finalise 

5% GST RATE;

GST HSN chapter code 4901 Brochures, leaflets and similar printed matter, whether or not in single sheets

12% GST RATE;

All goods not specified elsewhere

1. GST HSN chapter code 4903 Children's picture, drawing or colouring books.

2. GST HSN chapter code 4904 Music, printed or in manuscriptt, whether or not bound or illustrated.

3.GST HSN chapter code 4906 Plans and drawings on architectural, engineering, industrial, commercial, topographical or similar purposes, being originals drawn by hand; hand-written texts; photographic reproductions on sensitised paper and carbon copies of the foregoing.

4. GST HSN chapter code 4907 Unused postage, revenue or similar stamps of current or new issue in the country in which they have, or will have, a recognised face value; stamp impressed paper; banknotes; cheque forms; stock, share or bond certificates and similar documents of title.

5. Transfers (decalcomanias) [GST HSN chapter code 4908]

6. GST HSN chapter code 4909 Printed or illustrated postcards; printed cards bearing personal greetings, messages or announcements, whether or not illustrated, with or without envelopes or trimmings.

7. GST HSN chapter code 4910 Calendars of any kind, printed, including calendar blocks.

8. GST HSN chapter code 4911 Other printed matter, including printed pictures and photographs; such as Trade advertising material, Commercial catalogues and the like, printed Posters, Commercial catalogues, Printed inlay cards, Pictures, designs and photographs, Plan and drawings on architectural engineering, industrial, commercial, topographical or similar purposes reproduced with the aid of computer or any other devices.