Norwich have told Peter Cullum that it will cost him £56million to buy the Championship club.
The businessman, who is ranked among the top 40 on Britain's rich list, made an informal approach in October last year but was subsequently knocked back.
Despite those talks breaking down, Cullum remains interested in launching a takeover and has expressed his desire to keep joint majority shareholder Delia Smith on board as a "figurehead and icon".
However, the Canaries insist that the figures currently on offer do not match their valuation and have made it clear that no deal will be discussed until they receive a 'financially viable' approach.
A statement from the club read: "When evaluating any potential investment in Norwich City FC we look at the individual, we look at what they want to achieve and we look at the financial viability of their proposition.
"In the case of someone seeking to take control of the club and at the same time invest £20million in the playing squad this would take a minimum of £56million."
That figure includes £16million to buy up shares at the current price of £30 each, a further £16million to clear the club's bank debt, which would be requested should a takeover go through, and £4million to pay off loans from directors.

Championship round up - 20th March
Bristol City 2-2 Newcastle - Highlights
Middlesbrough 1-1 Reading - Highlights
Blackpool 2-2 Crystal Palace - Highlights
Scunthorpe 2-1 Plymouth - Highlights
Sheff Wed 0-0 Derby - Highlights
West Brom 3-2 Preston - Highlights
Nottm Forest 1-0 Peterborough - Highlights
| Time | Fixture |
|---|---|
| Tuesday 23rd March | |
| The Coca-Cola Football League Championship | |
| 19:45 | Blackpool vs Swansea |
| 19:45 | Bristol City vs Barnsley |
| 19:45 | Doncaster vs Newcastle |
| 19:45 | Ipswich vs Plymouth |
| 19:45 | Nottm Forest vs Crystal Palace |
| 19:45 | Scunthorpe vs Peterborough |
| 20:00 | Middlesbrough vs Preston |
| 20:00 | QPR vs Derby |
| Wednesday 24th March | |
| The Coca-Cola Football League Championship | |
| 19:45 | Cardiff vs Sheff Utd |
| 19:45 | Leicester vs Reading |
| 19:45 | Sheff Wed vs Watford |
| 19:45 | West Brom vs Coventry |
| Saturday 27th March | |
| The Coca-Cola Football League Championship | |
| 12:45 | Crystal Palace vs Cardiff |
| 15:00 | Barnsley vs Doncaster |
| 15:00 | Coventry vs Sheff Wed |
| 15:00 | Derby vs Leicester |
| 15:00 | Peterborough vs Bristol City |
| 15:00 | Plymouth vs Blackpool |
| 15:00 | Preston vs QPR |
| 15:00 | Reading vs West Brom |
| Time | Result |
|---|---|
| Sunday 21st March | |
| The Coca-Cola Football League Championship | |
| Leicester 2 - 2 Coventry | |
| Cardiff 3 - 1 Watford | |
| Saturday 20th March | |
| The Coca-Cola Football League Championship | |
| QPR 1 - 1 Swansea | |
| Scunthorpe 2 - 1 Plymouth | |
| Doncaster 1 - 1 Sheff Utd | |
| Nottm Forest 1 - 0 Peterborough | |
| Blackpool 2 - 2 Crystal Palace | |
| Ipswich 1 - 0 Barnsley | |
| West Brom 3 - 2 Preston | |
| Bristol City 2 - 2 Newcastle | |
| Sheff Wed 0 - 0 Derby | |
| Middlesbrough 1 - 1 Reading | |
| Wednesday 17th March | |
| The Coca-Cola Football League Championship | |
| Newcastle 3 - 0 Scunthorpe | |
| Tuesday 16th March | |
| The Coca-Cola Football League Championship | |
| Peterborough 1 - 2 Doncaster | |
| Derby 2 - 2 Middlesbrough | |
| Swansea 0 - 2 West Brom | |
| Coventry 1 - 2 Cardiff | |
| Barnsley 2 - 1 Nottm Forest | |
| Reading 1 - 0 QPR | |
| Crystal Palace 0 - 1 Leicester | |
| Pos | Team | P | Pts |
|---|---|---|---|
| 1 | Newcastle United | 37 | 77 |
| 2 | West Bromwich Albion | 38 | 75 |
| 3 | Nottingham Forest | 38 | 67 |
| 4 | Leicester City | 37 | 61 |
| 5 | Swansea City | 38 | 61 |
| 6 | Cardiff City | 37 | 58 |
| 7 | Sheffield United | 38 | 53 |
| 8 | Doncaster Rovers | 38 | 52 |
| 9 | Blackpool | 38 | 51 |
| 10 | Coventry City | 38 | 51 |
| 11 | Middlesbrough | 38 | 50 |
| 12 | Barnsley | 37 | 49 |
| 13 | Reading | 36 | 48 |
| 14 | Preston North End | 38 | 48 |
| 15 | Ipswich Town | 38 | 47 |
| 16 | Bristol City | 38 | 46 |
| 17 | Queens Park Rangers | 37 | 45 |
| 18 | Derby County | 38 | 44 |
| 19 | Watford | 36 | 42 |
| 20 | Scunthorpe United | 37 | 41 |
| 21 | Sheffield Wednesday | 38 | 40 |
| 22 | Crystal Palace | 37 | 39 |
| 23 | Plymouth Argyle | 37 | 34 |
| 24 | Peterborough United | 38 | 30 |
Stunning Leeds United fan Jennifer Campbell was strutting her stuff on Soccer AM this weekend.
Peter Beagrie is saddened by Gary Johnson's exit - but still has plenty to enjoy in the Football League.
Can Posh make a miracle escape? What's wrong at Cardiff? Peter Beagrie talks Football League.
Dave Jones has held talks with Dato Chan Tien Ghee over a possible takeover of Cardiff.
Cardiff saw off Watford 3-1 to strengthen their hold on sixth place in the race for a play-off place.
Coventry put in a strong second-half showing to earn a 2-2 draw with Leicester at the Walkers Stadium.
Leicester boss Nigel Pearson refused to criticise his players after they let a two-goal lead slip against Coventry.
West Brom got the better of Preston in a thriller, Newcastle fought back for a point at Bristol City.