"mutual arrangement" is correct and can be used in written English.
It can be used as a phrase to describe an agreement between two or more parties. For example: "We came to a mutual arrangement in which both sides would benefit from the deal."
The identity of sexual partners is TOP SECRET, unless disclosed by mutual arrangement.
H4Lvd Positiv Pstv Affil Strong ComForm COM PowCoop PowTot FormLw Noun noun: Unanimity of opinion, state of accord, mutual arrangement.
A mutual arrangement was made, she adds, that he would buy their virginity when they reached adolescence.
Besides the molecular structure, the sensor properties are also influenced by the mutual arrangement of porphyrins onto the sensor surface.
We also found that the gap values strongly depend on the defect species and their mutual arrangement with respect to the pristine layer.
The most prominent difference between the α- and β-form can be noted in the periodicity and the mutual arrangement of the 1∞FeO3 polyanions.
The savings banks and co-operative banks argue that they have mutual arrangements for risk-sharing and bail-outs, which make interbank loans within their sectors equivalent to loans to domestic subsidiaries.
The decision to raise the terrorist threat level to critical – the highest – can lead to extra officers being drafted in to patrol areas assessed as vulnerable to attack, under mutual arrangements between the 43 police in England and Wales.
Joint commitments inform all manner of mutual arrangements, including but not limited to explicit agreements and promises a commitment composed of (at least) two personal commitments, which are in turn commitments undertaken by 'an exercise of the will' (see, e.g., Gilbert 2013).
Second-personal phenomena are many and varied, and Darwall places promises in the category of 'transactions', which are a group, including contracts and other mutual arrangements, in which the basic second-personal authority (i.e., the power we have to 'make claims and demands on one another') generates obligations to perform what is outlined in the transaction.
Indeed, we may even want to consider how laws and regulations can promote such "mutual" arrangements and discourage their opposite.
