Principal councils must publish a report setting out how it has complied with this duty and send it to the LDBCW in respect of each reporting period (a period of 10 years).
Rhaid i brif gynghorau gyhoeddi adroddiad sy'n nodi sut y maent wedi cydymffurfio â'r ddyletswydd hon a'i anfon i'r Comisiwn o ran pob cyfnod adrodd (cyfnod o 10 mlynedd).