The Thurlow Nunn League AGM was informed that the 2019/20 constitutions for the Premier and the two First Divisions remain as previously advised by the FA but were subject to clarification on some outstanding issues.
The 2019/20 constitutions for the Reserve and Youth Leagues were agreed as follows:-
| RESERVE LEAGUE |
| Cornard United |
| Diss Town |
| Framlingham Town |
| Hadleigh United |
| Halstead Town |
| Holland |
| Long Melfod |
| Mildenhall Town |
| Saffron Walden Town |
| Stowmarket Town |
| Thetford Town |
| Walsham le Willows |
| Whitton United |
| Wivenhoe Town |
| Woodbridge Town |
| YOUTH LEAGUE CENTRAL DIVISION |
| Coplestonians |
| Felixstowe & Walton United |
| Framlingham Town |
| Hadleigh United |
| Ipswich Wanderers |
| Leiston |
| Needham Market |
| Stowmarket Town |
| Whitton United |
| Woodbridge Town |
| YOUTH LEAGUE EAST DIVISION |
| AFC Royals |
| Beccles Town |
| Bungay Town |
| Diss Town |
| Gorleston |
| Great Yarmouth Town |
| Kirkley & Pakefield |
| Norwich United |
| Waveney Youth |
| Wroxham |
| YOUTH LEAGUE NORTH DIVISION |
| Aylsham |
| CSF Canaries |
| Dereham Town |
| Easton & Otley College |
| Fakenham Town |
| FDL Rangers |
| Mulbarton Wanderers |
| North Walsham Town |
| Sheringham |
| Swaffham Town |
| YOUTH LEAGUE CAMBRIDGE DIVISION |
| Bury Town |
| Cambridge City |
| Haverhill Rovers |
| Histon |
| Lakenheath |
| Mildenhall Town |
| Newmarket Town |
| Royston Town |
| Saffron Walden Community Youth |
| Walsham Le Willows |
| YOUTH LEAGUE SOUTH DIVISION |
| AFC Sudbury |
| Brantham Athletic |
| Brightlingsea Regent |
| Cornard United |
| Halstead Town |
| Holland FC |
| Little Oakley |
| Long Melford |
| Sporting 87 |
| Stanway Rovers |
| Witham Town |
| YOUTH LEAGUE WEST DIVISION |
| Deeping Rangers |
| Ely City |
| Godmanchester Rovers |
| Holbeach United |
| Kings Lynn Town |
| March Town United |
| Peterborough Sports |
| St Ives Town |
| St Neots Town |
| Wisbech St Mary |
Thurlow Nunn League 