There is no requirement to use either kind of agreement as part of the sponsorship scheme, but it could be helpful in ensuring all parties are clear on the terms of their arrangement.
Nid oes unrhyw ofyniad i ddefnyddio y naill fath o gytundeb na’r llall fel rhan o’r cynllun noddi, ond gallai’r rhain helpu i sicrhau bod pob parti yn deall beth yw telerau eu trefniant.