Where a pattern emerges and/or there is evidence of abuse, your performance record should be borne in mind in deciding how long an agreement should last.
Lle mae patrwm yn dod i’r amlwg a/neu lle ceir tystiolaeth o gamddefnydd, dylid ystyried hanes eich perfformiad wrth benderfynu pa mor hir y dylai cytundeb bara.