As part of being a member of the scheme, businesses will be required to place signage in their windows to inform members of the public the toilets are available for use.
Fel rhan o fod yn aelod o’r cynllun, bydd gofyn i fusnesau osod arwyddion yn eu ffenestri i hysbysu aelodau’r cyhoedd fod toiledau ar gael i’w defnyddio.