'communal basis' is correct and usable in written English.
You can use it to indicate a cooperative or collective effort, typically among members of a group or community. For example, "We organized the neighborhood cleanup on a communal basis to ensure everyone had a part in the process."
Cattle farming, an essential part of the livelihood of the Mnisi community, is practiced primarily on a communal basis.
Other Ceylonese members were to be nominated on a communal basis.
The 1964 Sproul Hall sit-in at Berkeley "created a communal basis for a future social movement.
The historic peace accord eventually led to cross-community power-sharing with both unionists and nationalists governing on a mandatory basis, carving up ministries on a communal basis.
In a 2004 paper on town-centre management, Georgina Whyatt, an academic at Oxford Brookes University, observed that over the past 200 years activities such as washing clothes and drawing water, once carried out on a communal basis in public places, are now performed exclusively in the home.
It also uses it on a more communal basis, for encouraging interaction between supporters.
Free market apologists tend to criticise systems like communism on the basis of its communal corrosion of character.
Traditionally, public housing was allocated on the basis of communal right.
These values can provide a compelling basis for communal identity, even in a time of vulnerability and struggling economies.
With all the key ingredients for conflict already in place, the advent of two far-flung halves of a nation formed only on the basis of communal and religious solidarity remaining whole was perhaps always was a pipe dream.
communal living; communalism". .
