# Compliance

Ensure regulatory compliance for PayPal payouts in your Android app.

## Overview

When implementing PayPal payouts, you must comply with various financial regulations, data protection laws, and industry standards. This guide outlines key compliance considerations for your Android application.

## Financial regulations

### Know Your Customer (KYC)

Verify customer identity before enabling payouts:

```kotlin
fun enablePayouts(customerId: String): Boolean {
    // Check KYC verification status
    val kycStatus = checkKYCStatus(customerId)
    
    return when (kycStatus) {
        KYCStatus.VERIFIED -> {
            // Customer is verified, enable payouts
            true
        }
        KYCStatus.PENDING -> {
            showMessage("Identity verification in progress")
            false
        }
        KYCStatus.NOT_VERIFIED -> {
            showMessage("Please complete identity verification to enable payouts")
            redirectToKYCFlow()
            false
        }
        KYCStatus.FAILED -> {
            showMessage("Identity verification failed. Please contact support")
            false
        }
    }
}
```

### Anti-Money Laundering (AML)

Implement AML checks and monitoring:

```kotlin
data class AMLCheck(
    val transactionAmount: Double,
    val dailyTotal: Double,
    val monthlyTotal: Double,
    val customerRiskScore: Int
)

fun performAMLCheck(
    customerId: String,
    amount: Double
): AMLCheckResult {
    val dailyTotal = getTodayPayoutTotal(customerId)
    val monthlyTotal = getMonthlyPayoutTotal(customerId)
    val riskScore = getCustomerRiskScore(customerId)
    
    return when {
        // Flag large single transactions
        amount > AML_LARGE_TRANSACTION_THRESHOLD -> {
            AMLCheckResult.REVIEW_REQUIRED
        }
        // Flag unusual pattern
        dailyTotal + amount > AML_DAILY_LIMIT -> {
            AMLCheckResult.LIMIT_EXCEEDED
        }
        // Flag high-risk customers
        riskScore > AML_HIGH_RISK_THRESHOLD -> {
            AMLCheckResult.HIGH_RISK_REVIEW
        }
        else -> {
            AMLCheckResult.APPROVED
        }
    }
}
```

### Transaction limits

Enforce regulatory transaction limits:

```kotlin
data class TransactionLimits(
    val minAmount: Double = 1.0,
    val maxSingleTransaction: Double = 10000.0,
    val maxDailyAmount: Double = 25000.0,
    val maxMonthlyAmount: Double = 100000.0
)

fun validateTransactionLimits(
    customerId: String,
    amount: Double
): ValidationResult {
    val limits = getCustomerLimits(customerId)
    val dailyTotal = getTodayPayoutTotal(customerId)
    val monthlyTotal = getMonthlyPayoutTotal(customerId)
    
    return when {
        amount < limits.minAmount -> ValidationResult(
            isValid = false,
            message = "Minimum payout amount is ${limits.minAmount}"
        )
        amount > limits.maxSingleTransaction -> ValidationResult(
            isValid = false,
            message = "Maximum single payout is ${limits.maxSingleTransaction}"
        )
        dailyTotal + amount > limits.maxDailyAmount -> ValidationResult(
            isValid = false,
            message = "Daily limit of ${limits.maxDailyAmount} would be exceeded"
        )
        monthlyTotal + amount > limits.maxMonthlyAmount -> ValidationResult(
            isValid = false,
            message = "Monthly limit of ${limits.maxMonthlyAmount} would be exceeded"
        )
        else -> ValidationResult(isValid = true)
    }
}
```

## Data protection

### GDPR compliance

Implement proper data handling for European customers:

```kotlin
// Data retention policy
data class DataRetentionPolicy(
    val payoutRecordsRetentionDays: Int = 2555,  // 7 years for financial records
    val personalDataRetentionDays: Int = 365     // 1 year after last activity
)

// Right to be forgotten
fun handleDataDeletionRequest(customerId: String) {
    // Verify customer identity
    val verified = verifyCustomerIdentity(customerId)
    if (!verified) {
        throw SecurityException("Identity verification failed")
    }
    
    // Check if data must be retained for legal reasons
    val hasActiveFinancialObligations = checkFinancialObligations(customerId)
    if (hasActiveFinancialObligations) {
        throw IllegalStateException("Cannot delete data with active financial obligations")
    }
    
    // Anonymise personal data
    anonymizePersonalData(customerId)
    
    // Retain transaction records as required by law
    retainFinancialRecords(customerId)
    
    Log.i("Compliance", "Data deletion request processed for customer: $customerId")
}

// Data export (right to data portability)
fun exportCustomerData(customerId: String): CustomerDataExport {
    return CustomerDataExport(
        customerId = customerId,
        personalInfo = getPersonalInfo(customerId),
        payoutHistory = getPayoutHistory(customerId),
        walletDetails = getWalletDetails(customerId),
        exportDate = System.currentTimeMillis()
    )
}
```

### Secure data storage

Never store sensitive payment data:

```kotlin
// Good: Store only necessary identifiers
data class StoredWalletData(
    val customerId: String,
    val walletType: String,           // "PayPal" (Venmo has limited support on Android)
    val paypalPayerId: String?,       // PayPal payer ID (not email)
    val lastFourDigits: String?,      // Last 4 digits for display only
    val linkedAt: Long,
    val lastUsedAt: Long?
)

// Bad: Never store full email addresses or sensitive data
// ❌ Don't do this:
data class BadWalletData(
    val fullEmailAddress: String,      // Don't store
    val fullPhoneNumber: String,       // Don't store
    val fullName: String               // Don't store unless necessary
)

// Implement encryption for stored data
fun storeWalletData(data: StoredWalletData) {
    val encryptedData = encrypt(data.toJson())
    secureStorage.store("wallet_${data.customerId}", encryptedData)
}

fun retrieveWalletData(customerId: String): StoredWalletData? {
    val encryptedData = secureStorage.retrieve("wallet_$customerId") ?: return null
    val json = decrypt(encryptedData)
    return StoredWalletData.fromJson(json)
}
```

## Security requirements

### Secure communication

Ensure all API communication is encrypted:

```kotlin
// Enforce TLS 1.2 or higher
val okHttpClient = OkHttpClient.Builder()
    .connectionSpecs(listOf(
        ConnectionSpec.Builder(ConnectionSpec.MODERN_TLS)
            .tlsVersions(TlsVersion.TLS_1_2, TlsVersion.TLS_1_3)
            .build()
    ))
    .build()
```

### Certificate pinning

Implement certificate pinning for enhanced security:

```kotlin
val certificatePinner = CertificatePinner.Builder()
    .add("api.pxp.io", "sha256/AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA=")
    .build()

val okHttpClient = OkHttpClient.Builder()
    .certificatePinner(certificatePinner)
    .build()
```

### Authentication

Implement proper authentication for payout operations:

```kotlin
fun authenticatePayoutRequest(
    customerId: String,
    amount: Double
): AuthResult {
    // Require authentication for payouts above threshold
    if (amount > AUTHENTICATION_REQUIRED_THRESHOLD) {
        return requireBiometricAuthentication()
    }
    
    // Require session validation
    if (!isSessionValid(customerId)) {
        return AuthResult.SESSION_EXPIRED
    }
    
    // Verify device fingerprint
    if (!verifyDeviceFingerprint(customerId)) {
        return AuthResult.DEVICE_NOT_RECOGNIZED
    }
    
    return AuthResult.AUTHENTICATED
}
```

## Record keeping

### Transaction logging

Maintain comprehensive transaction logs:

```kotlin
data class PayoutAuditLog(
    val merchantTransactionId: String,
    val systemTransactionId: String,
    val customerId: String,
    val amount: Double,
    val currency: String,
    val recipientWallet: String,
    val status: String,
    val initiatedAt: Long,
    val completedAt: Long?,
    val failureReason: String?,
    val ipAddress: String,
    val deviceId: String,
    val userAgent: String
)

fun logPayoutTransaction(
    result: PostPayoutResult?,
    error: PayOutError?,
    metadata: TransactionMetadata
) {
    val log = PayoutAuditLog(
        merchantTransactionId = metadata.merchantTransactionId,
        systemTransactionId = result?.systemTransactionId ?: "N/A",
        customerId = metadata.customerId,
        amount = metadata.amount,
        currency = metadata.currency,
        recipientWallet = metadata.recipientWallet,
        status = if (result != null) "SUCCESS" else "FAILED",
        initiatedAt = metadata.initiatedAt,
        completedAt = System.currentTimeMillis(),
        failureReason = error?.errorReason,
        ipAddress = metadata.ipAddress,
        deviceId = metadata.deviceId,
        userAgent = metadata.userAgent
    )
    
    // Store in secure audit log
    auditLogRepository.save(log)
    
    // Send to monitoring system
    monitoringService.recordTransaction(log)
}
```

### Audit trail

Maintain a complete audit trail:

```kotlin
sealed class AuditEvent {
    data class PayoutInitiated(
        val transactionId: String,
        val amount: Double,
        val customerId: String
    ) : AuditEvent()
    
    data class PayoutApproved(
        val transactionId: String,
        val approvedBy: String
    ) : AuditEvent()
    
    data class PayoutCompleted(
        val transactionId: String,
        val systemTransactionId: String
    ) : AuditEvent()
    
    data class PayoutFailed(
        val transactionId: String,
        val errorCode: String,
        val errorReason: String
    ) : AuditEvent()
}

fun recordAuditEvent(event: AuditEvent) {
    val auditRecord = AuditRecord(
        eventType = event::class.simpleName ?: "Unknown",
        eventData = event.toJson(),
        timestamp = System.currentTimeMillis(),
        userId = getCurrentUserId(),
        sessionId = getCurrentSessionId()
    )
    
    auditTrailRepository.save(auditRecord)
}
```

## User consent

### Terms of service

Require explicit consent before enabling payouts:

```kotlin
@Composable
fun PayoutConsentScreen(onAccept: () -> Unit, onDecline: () -> Unit) {
    var acceptedTerms by remember { mutableStateOf(false) }
    var acceptedPrivacy by remember { mutableStateOf(false) }
    
    Column(
        modifier = Modifier
            .fillMaxSize()
            .padding(16.dp)
    ) {
        Text(
            text = "Payout Terms and Conditions",
            style = MaterialTheme.typography.headlineMedium
        )
        
        // Terms content
        ScrollableTermsContent()
        
        // Consent checkboxes
        Row(verticalAlignment = Alignment.CenterVertically) {
            Checkbox(
                checked = acceptedTerms,
                onCheckedChange = { acceptedTerms = it }
            )
            Text("I accept the payout terms and conditions")
        }
        
        Row(verticalAlignment = Alignment.CenterVertically) {
            Checkbox(
                checked = acceptedPrivacy,
                onCheckedChange = { acceptedPrivacy = it }
            )
            Text("I consent to data processing for payouts")
        }
        
        // Action buttons
        Row(
            modifier = Modifier.fillMaxWidth(),
            horizontalArrangement = Arrangement.spacedBy(8.dp)
        ) {
            Button(
                onClick = onDecline,
                modifier = Modifier.weight(1f)
            ) {
                Text("Decline")
            }
            
            Button(
                onClick = {
                    if (acceptedTerms && acceptedPrivacy) {
                        recordConsent()
                        onAccept()
                    }
                },
                enabled = acceptedTerms && acceptedPrivacy,
                modifier = Modifier.weight(1f)
            ) {
                Text("Accept")
            }
        }
    }
}

fun recordConsent() {
    val consent = ConsentRecord(
        customerId = getCurrentCustomerId(),
        consentType = "PAYOUT_TERMS",
        version = "1.0",
        acceptedAt = System.currentTimeMillis(),
        ipAddress = getClientIpAddress(),
        userAgent = getUserAgent()
    )
    
    consentRepository.save(consent)
}
```

## Regional requirements

### Country-specific regulations

Implement country-specific compliance:

```kotlin
fun getCountrySpecificRequirements(countryCode: String): ComplianceRequirements {
    return when (countryCode) {
        "US" -> ComplianceRequirements(
            requiresSSN = true,
            requiresTaxId = true,
            maxSingleTransaction = 10000.0,
            requiresBankVerification = true
        )
        "GB" -> ComplianceRequirements(
            requiresSortCode = true,
            requiresFCA_Compliance = true,
            maxSingleTransaction = 8000.0
        )
        "DE" -> ComplianceRequirements(
            requiresGDPR_Compliance = true,
            requiresBaFin_Compliance = true,
            maxSingleTransaction = 15000.0
        )
        else -> ComplianceRequirements.default()
    }
}
```

## Compliance checklist

Before launching payouts:

- KYC verification implemented
- AML checks in place
- Transaction limits enforced
- GDPR compliance implemented (if applicable)
- Data encryption enabled
- Secure communication (TLS 1.2+)
- Certificate pinning implemented
- Authentication required for payouts
- Transaction logging comprehensive
- Audit trail maintained
- User consent obtained
- Terms of service accepted
- Privacy policy accepted
- Country-specific requirements met
- Legal review completed
- Security audit passed
- Penetration testing completed


## What's next?

* [Testing](/guides/checkout/components/android/paypal/payouts/testing): Test compliance requirements.
* [Data validation](/guides/checkout/components/android/paypal/payouts/data-validation): Understand validation rules.
* [Troubleshooting](/guides/checkout/components/android/paypal/payouts/troubleshooting): Debug compliance issues.