}

		switch ret.Mode {
		case objectlock.RetGovernance:
			govPerm := isPutRetentionAllowed(oi.Bucket, oi.Name, days,
				objRetention.RetainUntilDate.Time, objRetention.Mode,
				byPassSet, r, cred, owner)
			// Governance mode retention period cannot be shortened, if x-amz-bypass-governance is not set.
			if !byPassSet {

		},
		{
			value:       DefaultRetention{Mode: RetGovernance},
			expectedErr: fmt.Errorf("either Days or Years must be specified"),
			expectErr:   true,
		},
		{
			value:       DefaultRetention{Mode: RetGovernance, Days: &days},
			expectedErr: nil,
			expectErr:   false,
		},
		{
			value:       DefaultRetention{Mode: RetGovernance, Years: &years},
			expectedErr: nil,
			expectErr:   false,

// RetMode - object retention mode.
type RetMode string

const (
	// RetGovernance - governance mode.
	RetGovernance RetMode = "GOVERNANCE"

	// RetCompliance - compliance mode.
	RetCompliance RetMode = "COMPLIANCE"
)

// Valid - returns if retention mode is valid
func (r RetMode) Valid() bool {
	switch r {
	case RetGovernance, RetCompliance:
		return true
	}
	return false
}

	if retDays > 0 {
		conditions["object-lock-remaining-retention-days"] = []string{strconv.Itoa(retDays)}
	}
	if retMode == objectlock.RetGovernance && byPassSet {
		byPassSet = globalIAMSys.IsAllowed(policy.Args{
			AccountName:     cred.AccessKey,
			Groups:          cred.Groups,
			Action:          policy.BypassGovernanceRetentionAction,