| TAXATION | Required contribution to the country's revenue |
| ANTE | Required contribution to a poker pot |
| PAY | With 115-Down, make a required contribution |
| RAWALPINDI | City in the Punjab province of Pakistan, adjacent to the country's capital Islamabad (10) |
| AMIENS | Capital of the Somme department in northern France, home to the country's largest Gothic cathedral (6) |
| SALAMANCA | Spanish city that's home to the country's oldest university |
| RONDA | Much-visited town in southern Spain which is home to the country's oldest bullring. (5) |
| SNOWDONIA | Welsh national park home to the country's highest peak (9) |
| OKLAHOMA | US state that is home to the country's second-largest Native American population after California (8) |
| ONTARIO | Province in east-central Canada, home to the country's capital Ottawa (7) |
| PEACEPRIZE | Nobel honour awarded to Canada's (future) Prime Minister Lester B. Pearson in 1957 "for his crucial contribution to the deployment of a United Nations Emergency Force in the wake of the Suez Crisis" o |
| LISEMEITNER | Austrian-born physicist: the 1944 Nobel Prize awarded to Otto Hahn ignored her contribution to the research into nuclear fission (4,7) |
| SET | Determined to make a contribution to the match |
| ROWAN | Contribution to the park that ran round the town centre? |
| DRESSER | Worker behind the scenes makes a contribution to the padre's services (7) |
| ROSALIND | As an expert in crystallography at King's College London, she made a crucial contribution to the discovery of the structure of DNA (8,8) |
| FRANKLIN | As an expert in crystallography at King's College London, she made a crucial contribution to the discovery of the structure of DNA (8,8) |
| DOH | Homer Simpson's "contribution" to the "OED" |
| HEFTY | Bulky contribution to the FT yearbook (5) |
| ODETOJOY | Schiller's contribution to the Choral (3,2,3) |
