# Quotas for AWS Account Management
<a name="quotas"></a>

Your AWS account has default quotas, formerly referred to as limits, for each AWS service. Unless otherwise noted, each quota is AWS Region-specific.

Each AWS account has the following quotas related to Account Management.


| Resource | Quota | 
| --- | --- | 
| Maximum number of StartPrimaryEmailUpdate requests per target account | 3 per 30 seconds | 
| Number of alternate contacts in an AWS account | 3 - one each for BILLING, SECURITY, and OPERATIONS | 
| Number of concurrent region-opt requests per account | 6 | 
| Number of concurrent region-opt requests per organization | 50 | 
| Rate of AcceptPrimaryEmailUpdate requests per caller account | 1 per second, burst to 1 per second | 
| Rate of DeleteAlternateContact requests per account | 1 per second, burst to 6 per second | 
| Rate of DisableRegion requests per account | 1 per second, burst to 1 per second | 
| Rate of EnableRegion requests per account | 1 per second, burst to 1 per second | 
| Rate of GetAccountInformation requests per caller account | 3 per second, burst to 3 per second | 
| Rate of GetAlternateContact requests per account | 10 per second, burst to 15 per second | 
| Rate of GetContactInformation requests per account | 10 per second, burst to 15 per second | 
| Rate of GetGovCloudAccountInformation requests per account | 3 per second, burst to 5 per second | 
| Rate of GetPrimaryEmail requests per caller account | 3 per second, burst to 3 per second | 
| Rate of GetRegionOptStatus requests per account | 5 per second, burst to 5 per second | 
| Rate of ListRegions requests per account | 5 per second, burst to 5 per second | 
| Rate of PutAccountName requests per caller account | 1 per second, burst to 1 per second | 
| Rate of PutAlternateContact requests per account | 5 per second, burst to 8 per second | 
| Rate of PutContactInformation requests per account | 5 per second, burst to 8 per second | 
| Rate of StartPrimaryEmailUpdate requests per caller account | 1 per second, burst to 1 per second |